# Thread: word problem: The base rate for the phone bill is $82.00 per month.... 1. ## word problem Originally Posted by Denis **** that is unclear, and should be stated this way: Each member pays their data usage plus 1/2 of the BASE RATE. Invoice would look like: Base rate....................82.00 Month's data usage......43.00 Total........................125.00 husband: 82.00 / 2 + 60% of 43 wife......: 82.00 / 2 + 40% of 43 Jeff showed you that in more details. Good luck Eddy! thank you so much to all of you. Dennis, thanks for correcting the problem. yes, I thought there was something wrong with the structure. just one question to either you or Jeff after studying what Jeff so extensively explained, I can not figure out this 82+ d = 125. (D ???) d= 12 why 12? what is the value of d? what is the value of m? f= b + d - m f = 125 - m. ( m?) and lastly, where did the 43 come from? h= 0.6 d(data usage cost)= 43( ?) h= 0.6 (man’s data usage) h= 0.6 * 43 = 25.80 thank you so much for everything. I will continue to study hard, but I know you will have to keep on helping me. I like math but I struggle with a lot of deductions. it takes practice and a lot of thinking'. but I know I can count on you. this esol degree represent s a lot for me and my family. we are struggling financially and I have to ace that math test. got no other option, and have 10 months to take the math test. 2. Originally Posted by eddy2017 thank you so much to all of you. Dennis, thanks for correcting the problem. yes, I thought there was something wrong with the structure. just one question to either you or Jeff after studying what Jeff so extensively explained, I can not figure out this 82+ d = 125. (D ???) d= 12 why 12? what is the value of d? and lastly, where did the 43 come from? No, d is not equal to 12. Just think about this practically, as though you were actually paying your phone bill. You get a bill. You know that the bill costs at least$82.00, which is the base charge just for having a phone at all (b). However, in this particular month the total bill has come out to more than that: $125. The difference between these two amounts ($125 - $82 =$43) is equal to the extra charges you had on your bill for this month (charges over and above the base rate). Since the only source of extra costs mentioned in the problem is data usage, you know that this $43 is how much extra you were charged on the bill for your data usage this month. That's where the d =$43 comes from.

Originally Posted by eddy2017
what is the value of m?
Originally Posted by eddy2017
f= b + d - m
f = 125 - m. ( m?)

As defined by JeffM, "m" is the man's share of the bill. Since the man and woman are splitting the bill, their two shares have to add up to the total bill amount:

m + f = (b + d)
<---- (total bill amount = base rate + data usage charges)

Originally Posted by eddy2017
h= 0.6 d(data usage cost)= 43( ?)
h= 0.6 (man’s data usage)
h= 0.6 * 43 = 25.80

The problem states that the husband's portion of the data usage was 60% of the total data usage, so he should pay 60% of d, which equals 0.6 times d.

0.6 * $43.00 =$25.80

3. Originally Posted by j-astron
No, d is not equal to 12. Just think about this practically, as though you were actually paying your phone bill. You get a bill. You know that the bill costs at least $82.00, which is the base charge just for having a phone at all (b). However, in this particular month the total bill has come out to more than that:$125. The difference between these two amounts ($125 -$82 = $43) is equal to the extra charges you had on your bill for this month (charges over and above the base rate). Since the only source of extra costs mentioned in the problem is data usage, you know that this$43 is how much extra you were charged on the bill for your data usage this month. That's where the d = $43 comes from. [/FONT][/COLOR] As defined by JeffM, "m" is the man's share of the bill. Since the man and woman are splitting the bill, their two shares have to add up to the total bill amount: m + f = (b + d)[/FONT][/COLOR][/FONT][/COLOR] <---- (total bill amount = base rate + data usage charges) [/FONT][/COLOR] [/FONT][/COLOR][/FONT][/COLOR][/FONT][/COLOR] The problem states that the husband's portion of the data usage was 60% of the total data usage, so he should pay 60% of d, which equals 0.6 times d. 0.6 *$43.00 = $25.80 thank you all for your help!!!!!. 4. Hope your phone was not disconnected 5. Originally Posted by Denis Hope your phone was not disconnected 6. Originally Posted by eddy2017 82+ d = 125. d= 12 why 12? what is the value of d? You need to know what 82+ d = 125 is asking. It is asking 82 plus what number (denoted by d) equals 125. Of course d is not 12 just because 82 + 12 is not 125 (it is 94). Keep on trying as you can do it. 7. Originally Posted by j-astron No, d is not equal to 12. Just think about this practically, as though you were actually paying your phone bill. You get a bill. You know that the bill costs at least$82.00, which is the base charge just for having a phone at all (b). However, in this particular month the total bill has come out to more than that: $125. The difference between these two amounts ($125 - $82 =$43) is equal to the extra charges you had on your bill for this month (charges over and above the base rate). Since the only source of extra costs mentioned in the problem is data usage, you know that this $43 is how much extra you were charged on the bill for your data usage this month. That's where the d =$43 comes from.
[/FONT][/COLOR]

As defined by JeffM, "m" is the man's share of the bill. Since the man and woman are splitting the bill, their two shares have to add up to the total bill amount:

m + f = (b + d)[/FONT][/COLOR][/FONT][/COLOR] <---- (total bill amount = base rate + data usage charges)
[/FONT][/COLOR]
[/FONT][/COLOR][/FONT][/COLOR][/FONT][/COLOR]

The problem states that the husband's portion of the data usage was 60% of the total data usage, so he should pay 60% of d, which equals 0.6 times d.

0.6 * $43.00 =$25.80
Yeah, I did not think that this mathematical expression can be solved in this way.. Thank you so much

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