124k views
3 votes
A copy machine makes 153 copies in 4 minutes and 15 seconds how many copies does it make per minute

User Scriddie
by
7.0k points

2 Answers

3 votes

Answer:


\boxed{\sf 36 \ copies \ per \ minute}

Explanation:


\sf 4 \ minutes \ 15 \ seconds = 4.25 \ minutes


\sf The \ copy \ machine \ makes \ 153 \ copies \ in \ 4.25 \ minutes.


\sf To \ find \ copies \ per \ minute, \ divide \ the \ number \ of


\sf copies \ with \ the \ number \ of \ minutes.


\displaystyle (153)/(4.25) =36


\sf The \ copy \ machine \ makes \ 36 \ copies \ per \ minute.

User Croxy
by
6.7k points
3 votes

1 minute = 60 seconds

15 seconds /60 = 0.25 minutes.

Total time in minutes is 4.25

Divide total copies by total minutes:

153 / 4.25 = 36 copies per minute

User JForsythe
by
8.2k points