Question

Asked Nov 26, 2019

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Walking 4 mi in 2 h will use up 650 calories. Walking at the same rate, how many miles would a person need to walk to lose 1 lb? (Burning 3500 calories is equivalent to losing 1 pound.) Round to the nearest hundredth.

_______mi

Step 1

Given,

Walking 4 mi in 2 h will use up 650 calories.

Step 2

Let x be the miles are needed to walk to lose 1 lb or 3500 calories.

Since the walking rate is same for both, consider the below proportion.

Step 3

Simplifying, ...

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