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3 years ago

7

A runner is running at 5 mph. A bicyclist is bicycling at four times the speed of the runner. What is the difference of the spee

d of the bicyclist and the runner?

1 answer:

uysha [10]3 years ago

3 0

Runner = 5 mph
bicyclist...4 times the runner....4(5) = 20 mph

20 - 5 = 15 mph <== the difference

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4-2x=11 how do I solve

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Hey there!☺

$Answer:\boxed{x=\frac{-7}{2}}$

$Explanation:$

$4-2x=11$

In our first step, we will simplify both sides of the equation:

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Now subtract 4 from both sides:

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In our last step, we will divide both sides by -2:

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x=-7/2 is your answer.

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