lazette43 lazette43

09-02-2017
Mathematics

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Lane reads 25 pages in 30 seconds. If lane reads 200 pages at the same rate how long will it take her

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Blurryface25 Blurryface25

09-02-2017

30÷25=1.2
she reads 1 page in 1.2 seconds
there fore 1.2×200=240
the answer is 240 seconds

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09-02-2017

Form a proportion 25/30=200/x
5/6=200/x
=5x=200×6
5x=1200
5/5x=1200/5
x=240
Therefore Lane will read 200 pages in 240 seconds

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