Answer
22.
(a) V = 16 000 $in.^{3}$
(b) V = 2$x^{3}$
Work Step by Step
22.
(a) x = 20 in.
Therefore 2x = 2 × 20 in. = 40 in.
V = l × w × h
= 40 in. × 20 in. × 20 in.
= 16 000 $in.^{3}$
(b) V = $2x \times × \times ×$
V = 2$x^{3}$
