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Phổ biến Word Problems >

Denver is 13 years younger than 5 times of Camille's age. Two years from now, Denver's age is 4 times Camille's present age. How old are they now?

Lời Giải

De n v er i s 13 ye a rs yo u n g er t han 5 t im es o f C ami ll e^{'} s a g e . Tw o ye a rs f ro m n o w, De n v e r^{'} s a g e i s 4 t im es C ami ll e^{'} s p rese n t a g e . Ho w o l d a re t h ey n o w ?

Lời Giải

Camille^{'} s age is : 19

Denver^{'} s age is : 82

Các bước giải pháp

Translate the problem into an equation:

5 x - 13 + 2 = 4 (x + 2)

Giải

x, 5 x - 13 + 2 = 4 (x + 2) : x = 19

Tìm age

Camille^{'} s age is : 19

Denver^{'} s age is : 82

Ví dụ phổ biến

3400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 25 years, to the nearest cent?The sum of two numbers is 11. Thrice the smaller number is five greater than the larger number. What are the numbers?Fabian is going to invest in an account paying an interest rate of 5.5% compounded annually. How much would Fabian need to invest, to the nearest ten dollars, for the value of the account to reach 1,240 in 13 years?The product of 9 and a hiệu of a number and 2 The radius of a circle is 13 cm. Find its chu vi in terms of pipi.