Question

it takes a machine 2 minutes and 15 seconds to assembly one chair if the machine runs continuously for 6 hours how many chairs will it produce

Answer 1

160 Chairs

Explanation:

Convert 6 hrs to seconds, this gives you 21600 seconds. Convert 2 min and 15 sec to seconds, and this gives you 135 seconds per chair. Divide 21600 by 135. This gives you 160 Chairs produced in 6 hours.