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Populaire Word Problems >

A race car driver won a 400 mile race with a speed of 103.2 miles per hour. Find the driver's time.

Solution

A r a ce c a r d r i v er w o n a 400 mi l e r a ce w i t h a s p ee d o f 103.2 mi l es p er h o u r . F in d t h e d r i v e r^{'} s t im e .

Solution

time : 3.87596 \dots

étapes des solutions

Translate the problem into an equation:

400 = 103.2 x

Solutionner pour

x, 400 = 103.2 x : x = \frac{500}{129}

Simplifier

time : 3.87596 \dots

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