hoppercass hoppercass

13-01-2018
Mathematics

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She serves the drinks at the interval. She serves 40 drinks in 20 minutes. What is the mean time she takes to serve 1 drink?

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zhecky1 zhecky1

13-01-2018

It takes her 2 minutes to serve 1 drink.

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13-01-2018

all you do is 20 ÷40
[tex]20 \div 40 = 2[/tex]
two min. for 1 drink

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