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人気のある Word Problems >

Two men who are traveling in opposite directions at the rate of 18 and 22 mph respectively started at the same time at the same place. In how many hours will they be 250 apart

解

Tw o m e n w h o a re t r a v e l in g in o pp os i t e d i rec t i o n s a t t h e r a t e o f 18 an d 22 m p h res p ec t i v e l y s t a r t e d a t t h e s am e t im e a t t h e s am e pl a ce . I n h o w man y h o u rs w i ll t h ey b e 250 a p a r t

解

time : 6 \frac{1}{4}

解答ステップ

Translate the problem into an equation:

18 x + 22 x = 250

x

を解く

18 x + 22 x = 250 : x = \frac{25}{4}

仮分数を帯分数に変換する

time : 6 \frac{1}{4}

人気の例

The sum of two consecutive integers is 107 If 25,000 is deposited in an account that earns interest compounded monthly becomes 32,000 after two years, what is the interest rate?The square of what other number is 225?One number is eight more than three times another number. If the sum of the numbers is 28, find the numbers.the sum of the squares of two consecutive integers is 580.