30% of what number is 60? a: 180 b: 220 c: 200 d: 150

C: 200

Step-by-step explanation:

To make this easier, let's start downscale our numbers to 10%, so let's rewrite the question as:

10% of what number is 20?

From there, we can take 10% of each answer

A: 18

B: 22

C: 20

D: 15

C is the only one that ends up being 20, so if we were to multiply each back up to 30% (aka multiplying each answer by 3) we would get:

A:  54

B:  66

C:  60

D:  45

C Matches our answer, so C: 200 is correct.

45 minutes

step-by-step explanation:

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1