She can walk 5 miles in 70 minutes.
Step-by-step explanation:
Given,
As Martha walked 2 miles in 28 minutes, therefore,
2 miles = 28 minutes
1 minute = [tex]\frac{2}{28}[/tex]
1 minute = [tex]\frac{1}{14}[/tex]
In 70 minutes = Total time * distance per minute
[tex]Distance = 70*\frac{1}{14}\\Distance=\frac{70}{14}\\Distance=5\ miles[/tex]
She can walk 5 miles in 70 minutes.
Keywords: Distance, Speed
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