Respuesta :

763609720
262.5 miles in 1 [tex] \frac{1}{4} [/tex] hour because the airplane can fly 210 mph, and to find the rate it flies in 1[tex] \frac{1}{4} [/tex] hours, all you have to do is to multiply the unit rate by 1.25
The answer is 262.50 miles 

The airplane flies 210 in one hour
1/4 of 210 is 52.5
52.5 x 5 = 262.5

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