Solve for x.
A. 12
B. 11
C. 10
D. 9

Answer:
C. 10
Step-by-step explanation:
The values on the left are proportional to the values on the right. You can write the ratios different ways, but the one I chose is ...
6/15 = x/25
6·25/15 = x = 150/15 = 10
The value of x is 10.