Are these expressions equivalent 20d - 16 and 4 (5d - 4)

Speed of the

Motorboat

(in miles per hour) Height of the Parasail

from the Water Surface (in feet)

12.5 5

14.5 10

16.5 15

18.5 20

20.5 25

22.5 30

The two expressions are equivalent.

Step-by-step explanation:

20d - 16 = ? 4 (5d - 4)

Distribute the 4

20d - 16 = ? 4*5d - 4*4

20d - 16 = ? 20d - 16

These are equal so they are equivalent