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Popular Word Problems >

While driving on the highway, Mason put his car on cruise control at 68 miles per hour. At this speed, how long would it take him to drive 85 miles?

Solution

Whi l e d r i v in g o n t h e hi g h w a y, M a so n p u t hi s c a r o n cr u i se co n t ro l a t 68 mi l es p er h o u r . A t t hi s s p ee d, h o w l o n g w o u l d i t t ak e him t o d r i v e 85 mi l es ?

Solution

time : 1 \frac{1}{4}

Solution steps

Translate the problem into an equation:

85 = 68 x

Solve for

x, 85 = 68 x : x = \frac{5}{4}

Convert improper fractions to mixed numbers

time : 1 \frac{1}{4}

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