# Math

An airplane ascends 450 feet at a constant rate as it flies a horizontal distance of 1,000 feet. How much altitude will it gain as it flies a horizontal distance of 1 mile? (Hint: 5,280 feet = 1 mile.)

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1. 450/1000 = x/5280
multiply both sides by 5280
x = (5280) (450/1000)

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