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A gas pipe company is laying gas pipe through some mountains. Due to the uneven landscape, the workers must lay approximately 5,500 feet of pipe for every mile of land they cover. If the workers must cover 7 miles through the mountains, how many feet of pipe will they need?

Respuesta :

adioabiola

The number of feet of pipes they will need to cover 7 miles through the mountains is 38,500 feet

Given:

Length of pipe per mile = 5,500 feet

Ratio of pipe to mile = 5,500 : 1

find pipes needed for 7 miles

let x = number of pipes

Ratio of pipe to mile = x : 7

Equate both ratio

5,500 : 1 = x : 7

5,500/1 = x/7

cross product

5,500 × 7 = 1 × x

38,500 feet = x

Therefore, the number of feet of pipes they will need to cover 7 miles through the mountains is 38,500 feet

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