Question

3. A copy machine makes 60 copies per minute. A second

copy machine makes 80 copies per minute. The second
machine starts making copies 2 minutes after the first
machine starts. Both machines stop making copies
8 minutes after the first machine started. Together, the
2 machines made how many copies?
A. 480
B. 600
C. 680
D. 720
E. 960​

Answer 1

E

Explanation:

6 x 480 + 8 x 60 = 960..........