Question

Jack found the volume if prism pictured to the right by multiplying 5 x 8 and than adding 40 + 40 + 40= 120. He says the volume is in cubic inches.
Jill says he did it wrong. He should have multiplied the bottom first (3 x 5) and then multiplied by height. Explain to Jill why Jacks method works and us equivalent to her method

Answer 1

Answer:

b. 30 ft³

Step-by-step explanation:

5 × 8 is the volume of one side.

5 × 8 = 40

40 + 40 + 40 = 120

120 in.³