Question

A sandbox in the shape of a rectangular prism is

7 feet long, 5 feet wide, and 1 foot tall. If six
inches is added to the height, how much more
sand can it hold?
HELP PLASSS!!!

A. 12 ft
B. 15Ft
C: 17.5 ft
D. 21 ft

Answer 1

C. 17.5

Explanation:

The current volume of the sandbox is 7×5×1 = 35 feet³

If six inches is added to the height, the new volume will be 7×5×1.5=52.5

To find the difference in how much the snadbox can hold, you can subtract. 52.5-35= 17.5