5 of an hour. How far would Lin run in 1 hour?

asked May 12, 2023 225k views

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$\begin{gathered} 2(3)/(4)=(8+3)/(4)=(11)/(4) \\ (11)/(4)mi\to(2)/(5)h \\ xmi\to1h \end{gathered}$

Using cross multiplication:

$\begin{gathered} (11)/((4)/(x))=(2)/(5) \\ x=(11)/(4)\cdot(5)/(2) \\ x=(55)/(8)mi=6(7)/(8)mi \end{gathered}$

Convert a mixed number to a fraction:

$a(c)/(b)=(a\cdot b+c)/(b)$

Nury answered May 17, 2023

by Nury

8.2k points

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