A jet airliner flies at 300 mph for the first half hour and last half hour of a flight. The rest of the time it flies at 600 mph. How long does it take to fly a distancia of 2100 miles?

Solución

A jet airliner flies at 300 mph for the first half hour and last half hour of a flight. The rest of the time it flies at 600 mph. How long does it take to fly a distance of 2100 miles?

Solución

time : 3 \frac{1}{2}

Pasos de solución

Translate the problem into an equation:

2100 = 600 x

Resolver para

x, 2100 = 600 x : x = \frac{7}{2}

Convertir las fracciones impropias a números mixtos

time : 3 \frac{1}{2}

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