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Phổ biến Word Problems >

Tom's present age is twice Sue's present age. Two years ago, Tom was three times as old as Sue was then. Find their presents ages.

Lời Giải

T o m^{'} s p rese n t a g e i s tw i ce S u e^{'} s p rese n t a g e . Tw o ye a rs a g o, T o m w a s t h ree t im es a s o l d a s S u e w a s t h e n . F in d t h e i r p rese n t s a g es .

Lời Giải

Sue^{'} s age is : 4

Tom^{'} s age is : 8

Các bước giải pháp

Translate the problem into an equation:

2 x - 2 = 3 (x - 2)

Giải

x, 2 x - 2 = 3 (x - 2) : x = 4

Tìm age

Sue^{'} s age is : 4

Tom^{'} s age is : 8

Ví dụ phổ biến

13 years from now Steven will be twice as old as Maria. The current sum of the ages of Steven and Maria is 34. How old is Maria right now?13 years from now Steven will be twice as old as Maria. The current sum of the ages of Steven and Maria is 28. How old is Maria right now?Gabrielle's age is three times Mikhail's age. The sum of their ages is 56. What is Mikhail's age?Aidan’s age is 6 years less than half of Maggie’s age. Aidan’s age is 4 years. What is Maggie's age?David is four years older than Joaquin. The sum of their ages is 36. FIND EACH PERSONS AGE