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I need help with 13 and 14 please.

I need help with 13 and 14 please.-example-1
User Ayyanar G
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1 Answer

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Q13

between 7:35 am and 7:47 thirteen mints

so her speed = 0.75/13 mile per mints

but we need the speed in hours !

so (0.75/13)×(60/13)

≈ 4.6 mile per hour


User Broun
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