kamiylibbybalet kamiylibbybalet

22-10-2017
Mathematics

contestada

Heather is a cashier. She can ring up 12 customers in 9 minutes. At this rate, how many minutes does it take her to ring up 4 customers?

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Thirdeyeblindness Thirdeyeblindness

22-10-2017

I think the answer would be 3 minutes.

Answer Link

22-10-2017

3 MINUTES.
[tex] \frac{12}{9} = \frac{4}{x} [/tex]
If you solve this proportion, you get x = 3 minutes.

Answer Link

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