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Phổ biến 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

Lời Giải

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

Lời Giải

time : 6 \frac{1}{4}

Các bước giải pháp

Translate the problem into an equation:

18 x + 22 x = 250

Giải

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

Chuyển phân số không thực sự thành hỗn số

time : 6 \frac{1}{4}

Ví dụ phổ biến

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.