Question

The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. Set up a

proportion to model this information.
A. 5/312 = 6/b b. 5/b = 312/6 c. 5/6 = b/312 d. 5/6 = 312/b

Answer 1

Answer: c. 5/6 = b/312

Explanation:

5/6 = b/312

To solve, divide 312/6 = 52

52 × 5 = 260

5/6 = 260/312

check: 260/312 = 0.833... 5/6 = 0.833...

True. The ratio is correct