Question

scott likes to run long distances. he can run 20 km in 85 minutes. he wants to know how many minutes (m) it will take him to run 52 km at the same pace. how long will it take scott to run 52 km? minutes

Explanation:

Step1: Set up proportion equation

$\frac{20}{85} = \frac{52}{m}$

Step2: Cross-multiply to solve for $m$

$20m = 85 \times 52$

Step3: Calculate right-hand side

$20m = 4420$

Step4: Isolate $m$ by division

$m = \frac{4420}{20}$

Answer:

221 minutes