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인기 있는 Word Problems >

Leah can bicycle 92 miles in the same time as it takes her to walk 12 miles. She can ride 10 mph faster than she can walk. How fast can she walk?

해법

L e ah c an bi cyc l e 92 mi l es in t h e s am e t im e a s i t t ak es h er t o w a l k 12 mi l es . S h e c an r i d e 10 m p h f a s t er t han s h e c an w a l k . Ho w f a s t c an s h e w a l k ?

해법

walking speed : 1.5

솔루션 단계

Translate the problem into an equation:

\frac{92}{x + 10} = \frac{12}{x}

x

해결 대상

, \frac{92}{x + 10} = \frac{12}{x} : x = \frac{3}{2}

단순화

walking speed : 1.5

인기 있는 예

Trent is 74 years older than Karissa. In 9 years he will be 3 times her age. How old is each now?a car traveled 45 miles per hour for 2 hours how many miles did the car travel lets say we are going on a trip where we are averaging a speed of 70km per hour.how long can we travel a 거리 of 175km how many miles can a motorist travel from 9:55AM to 10:15AM at the rate of 40 mph how many miles can a motorist travel from 9:55AM to 1:10PM at the rate of 40 mph