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12-12-2020
Mathematics

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janet can make 4/5 of a necklace in 20 minutes. at this rate, how many necklaces, to the nearest tenth of a necklace, Can Janet make in 1 hour ?

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12-12-2020

Answer:

Step-by-step explanation:

Janet can make:

4/5 of a necklace in 20min

2(4/5)=8/5 ............in 40 min

3(4/5)=12/5 ............in 60 min( one hour)

12/5=2 2/5 necklaces in one hour

or 2.4n in one hour

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