Question

In a recent survey, 175 high school seniors were asked about what methods they use to prevent acne, including bar soap or face wash. The results are displayed in the Venn Diagram below:


If a student is randomly selected from the group, what is the probability that they used both bar soap and face wash? Round your answer to the nearest whole percent.

10%

20%

30%

60%

Answer 1

Venn Diagram????

Answer 2

i guess 105
universal set is 175 - 20 -10-40=105

Answer 3

U set =175

Answer 4

i got that far. i just need help with percentage...

Answer 5

[105/175]x100 = 60%

Answer 6

thank you

Answer 7

always happy to help

Answer 8

thats the answer that i guessed...

Answer 9

well done then