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Phổ biến Word Problems >

a woman is three times as old as her daughter. six years ago, the sum of their ages was 36. find the age of the daughter

Lời Giải

a w o man i s t h ree t im es a s o l d a s h er d a ug h t er . s i x ye a rs a g o, t h e s u m o f t h e i r a g es w a s 36. f in d t h e a g e o f t h e d a ug h t er

Lời Giải

Daughter^{'} s age is : 12

Các bước giải pháp

Translate the problem into an equation:

3 x - 6 + x - 6 = 36

Giải

x, 3 x - 6 + x - 6 = 36 : x = 12

Daughter^{'} s age is : 12

Ví dụ phổ biến

Trudy deposited 8,307 in an account earning 1% interest compounded annually.To the nearest cent, how much will she have in 2 years?Five more than the quotient of a number and 9 equals 7 Three more than 4 times a number is less than or equal to 31 When 2 less than 3 lots of a number is doubled the result is 5 .two thirds of a number is no more than-10