C is the answer I pretty sure of it
Answer:
59
Step-by-step explanation:
Step-by-step explanation:

First, create an equation with the criteria given.
If we let x be your number,

(

is twice the product of 3 and x, and if it exceeds

by 10, then we add 10 to

to make the two sides of the equation equal.)
Now, solve for

.
If 1 cm = 3 ft, then 5 cm = 5*3 = 15 ft.<==