Asked by lilly
A school has an art club, a drama club, and a cooking club. the ratio of the number of students in these clubs is given. art club to drama club 7 to 13. cooking club to art club 5 to 14. there are 130 students in the drama club. no students are in more than one club. how many students are in cooking club? A. 5 B. 10 C. 15 D. 25
Answers
Answered by
lilly
my answer is 15
Answered by
oobleck
let's see whether 15 works.
c/a = 5/14, so if c=15,
15/a = 5/14
a = 42
Now, a/d = 7/13
d = 78
But we are told that d=130.
Nope. So, how did you arrive at 15?
c/a = 5/14, so if c=15,
15/a = 5/14
a = 42
Now, a/d = 7/13
d = 78
But we are told that d=130.
Nope. So, how did you arrive at 15?
Answered by
Henry2,
a/d = 7/13.
a/130 = 7/13,
a = 70.
c/a = 5/14.
c/70 = 5/14.
c = 25 students in cooking club.
a/130 = 7/13,
a = 70.
c/a = 5/14.
c/70 = 5/14.
c = 25 students in cooking club.
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