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21-11-2020
Mathematics

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Ali begins bicycling west at 30 miles per hour at 11:00 a.m. If Fahd leaves from the same point 20 minutes later bicycling west at 36 miles per hour, when will he catch Ali?

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21-11-2020

Answer:

[tex]1\frac{2}{3}[/tex] hour

Step-by-step explanation:

Ali was 10miles away from Fahd when Fahd began. ([tex]\frac{20}{60}[/tex] × 30miles= 10miles)

Let x be the time for they reach the same point,

10+30x=36x

x=[tex]\frac{5}{3}[/tex]

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