In Jada's class, 5/7 of the class is wearing jeans and 2/3 of the jeans are blue jeans. What fraction of the entire class is wearing blue jeans?
2007-09-11 08:06:44 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
5/7 * 2/3
10/21
2007-09-11 08:10:12 · answer #1 · answered by kimbokrn 2 · 0⤊ 0⤋
Let there be x people in Julia's class. 5/7 of x is wearing jeans.That is 5x/7. 2/3 of jeans is 2/3 of 5x/7. 5x/7(2/3) =10x/21. The fraction is 10/21. If you know x, the number of people, multiply it by 10/21.
2007-09-11 15:25:21 · answer #2 · answered by cidyah 7 · 0⤊ 0⤋
5/7 * 2/3 = 10/21
2007-09-11 15:11:55 · answer #3 · answered by gebobs 6 · 0⤊ 0⤋
Wow simple math, no problem!
5/7 * 2/3 =
10/21
When multiplying fractions, you don't have to change the denominator. Just multiply the whole thing.
2007-09-11 15:19:00 · answer #4 · answered by pepsi 1 · 0⤊ 0⤋