Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
M
The mean of this sequence of five numbers: 2, N, N+2, 11, 14 is 7.8
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3
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2K
HallsofIvy
H
V
Could someone please explain how you could get 6.6667 as 6 2/3?
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7
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4K
valcie
V
A
Ratio help: if I spent £818,746 and had a sales uplift of £1,292,416 what is the rati
Replies
1
Views
1K
stapel
stapel
H
Could someone explain how this works? Pick 2 integers w/ difference greater than 1...
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3
Views
1K
JeffM
J
A
Percentages: Ellie bought scarf, dress; scarf cost £4; sold both for total of £26...
Replies
6
Views
3K
Help please
H
C
9.999... = 10, What About ε?
Replies
11
Views
19K
Captain Cranberry
C
A
Word problem: Given that speedometer is off by 5mph, find error in odometer reading.
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17
Views
11K
ammelton1990
A
G
Counting vs Measuring (Difference in Number Conception)
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8
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2K
gumajoi
G
M
What do you call this type of problem
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4
Views
1K
lev888
lev888
M
Directed numbers
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2
Views
1K
Dr.Peterson
Dr.Peterson
K
Model Kit Scale: Does this (72 times smaller) make sense?
Replies
14
Views
4K
tkhunny
tkhunny
T
scale help
Replies
10
Views
2K
stapel
stapel
F
average with unknown values
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1
Views
1K
stapel
stapel
V
Calculating w/ fractions: Zeb spends 2/5 of his money on clothes, 1/3 on CDs, 1/4 on
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2
Views
1K
apple2357
A
T
Weighted Percentage: (Employee score/100) * Weighted Score (25)= Weighted Scoring
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1
Views
927
Dr.Peterson
Dr.Peterson
S
Some squares: How many squares are in this grid of squares?
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1
Views
2K
Dr.Peterson
Dr.Peterson
M
Mathematics: Wanting to re-learn from the ground up, through undergraduate classes
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6
Views
2K
Steven G
Steven G
C
Percentage Error calculation: what denominator to use for forecasting
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2
Views
3K
cleo99
C
D
Efficiency of my new HVAC system?
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2
Views
2K
stapel
stapel
eddy2017
word problem: The base rate for the phone bill is $82.00 per month....
Replies
12
Views
4K
Steven G
Steven G
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