anna344 anna344

17-03-2018
Mathematics

contestada

A machine can sew on 15 buttons in 3 min. How many buttons can it sew in 60 min?

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celizzy0308 celizzy0308

17-03-2018

In 60 minutes, the machine can sew 300 buttons. The machine sews 5 buttons a minute. 60 x 5 = 300

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renfrosami renfrosami

17-03-2018

15/3 = x/60
60*15=900
900/3=300
answer is 300 buttons in 60 min

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