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3 years ago

Find the unit rate for 521 miles in 14 hours.

Mathematics

2 answers:

WITCHER [35]3 years ago

8 0

The answer is 37.21 miles per hour.
Hope this helps!!

Colt1911 [192]3 years ago

6 0

Speed = Distance / Time
521 miles / 14 hours = 37.2142857

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There are nine water bottles in a fridge. Three full boxes are added. Two more boxes are added, both of which have one fewer bot

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The number of bottles in a full box is 12.

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Suppose, the number of bottles in a full box is $x$

So, the number of bottles in three full boxes $=3x$

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$9+3x+2(x-1)=67\\ \\ 9+3x+2x-2=67\\ \\ 5x+7=67\\ \\ 5x=67-7\\ \\ 5x=60\\ \\ x=\frac{60}{5}=12$

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