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tia_tia [17]
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?
Mathematics
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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<u>Step-by-step explanation:</u>

Correct Question : In the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. The area of the shaded region is 220π cm2. What is the value of x? Enter your answer in the box.

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