Question

The pet shop made $42 per day for 15 days in a row. For the next 5 days, the pet shop made $68 per day. Which of the following expressions can not be used to determine the amount of money that the pet shop made in all?

A.
(42 • 15) × (68 • 5)
B.
(42 × 15) + (68 + 68 + 68 + 68 + 68)
C.
(42 • 15) + (68 • 5)
D.
(42 × 10) + (42 × 5) + (68 × 5)

Answer 1

The pet shop made $42 per day for 15 days in a row. For the next 5 days, the pet shop made $68 per day. Which of the following expressions can not be used to determine the amount of money that the pet shop made in all?

A. (42 • 15) × (68 • 5)

B. (42 × 15) + (68 + 68 + 68 + 68 + 68)

C. (42 • 15) + (68 • 5)

D. (42 × 10) + (42 × 5) + (68 × 5)