algebra

[karlo]

Pls. help me with this.
Given: A group of 250 women were surveyed as to the detergent they use for washing.T forTide , A for Ariel , S for Surf .
The result are as follows:
a. 20 women use all the detergent
b. 70 women use T and A detergent
c. 60 women use A and S detergent
d. 50 women use T and S detergent
e. 140 women use T detergent
f. 145 women use A detergent
g. 110 women use S detergent
Questions:
1. How many women use T only?
2. How many women do not use any of the detergent?
3. How many women use T or A?
4. How many women use T but not A?
5. How many women use S but not A or T?
6. How many women use at least two of the brands?
7. How many women use T but not A or S?
8. How many women use T or S but not A?
9. How many women do not use T or S?
10. How many women use at most two brands?

I made a venn diagram. i input the given (a-d) but i dont know what to do with given(e-g).pls. help

 

[galactus]

Does your Venn look like the one below?. i.e. To answer part 2, add all the entries in the circles up and subtract from 250.

Can you answer the questions now?.

 

[karlo]

thank you so much!! you save my day.

 

[Denis]

Galactus, your circle containing letter A is not completely closed; "A" may escape :roll:

 

[Deleted member 4993]

Galactus, your circle containing letter A is not completely closed; "A" may escape :roll:

Then T will run in and chase A back ....