It takes Dana 9 hours to make 12 costumes. Which proportion can be used to find h, the number of hours that it will take Dana to make 20 costumes at the same rates?

A. 9/12 = h/20
B. 9/h = 20/12
C. 9/20 = 12/h
D. 9/12 = 20/h

A. 9/12 = h/20

Step-by-step explanation:

we know that

It takes Dana 9 hours to make 12 costumes

so

using proportion

Find out  the number of hours (h) that it will take Dana to make 20 costumes at the same rates

solve for h

Multiply in cross

answer: answer is c!

ok i got to organize the

3/15 and 12/55

3*

aha

3*4 equals 12 but not

a: no

b:

8/24 12/35

no

gautie

it's c

5/18 = 25/90

5*5=25

18*5 = 90

hope that you!

one more happy customer!

< 3

step-by-step explanation: