Question

The factory needs to stamp 4,320 parts. How many minutes will it take all 4 stamping machines to stamp 4,320 parts.
A. 10 minutes
B. 15 minutes
C. 45 minutes
D. 60 minutes

Answer 1

Answer: 15 minutes

Step-by-step explanation:

4 stamping machines in factory

1 stamping machine = 24 parts every 20 seconds

4 stamping machines = 96 every 20 seconds

4 stamping machine = 288 stamps per minute

4320 stamps divided by 288 cuts = 15 minutes