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Phổ biến Word Problems >

Christopher is 20 years younger than Ishaan. Ishaan and Christopher first met two years ago. Fourteen years ago, Ishaan was 3 times as old as Christopher.

Lời Giải

C h r i s t o p h er i s 20 ye a rs yo u n g er t han I s haan . I s haan an d C h r i s t o p h er f i rs t m e t tw o ye a rs a g o . F o u r t ee n ye a rs a g o, I s haan w a s 3 t im es a s o l d a s C h r i s t o p h er .

Lời Giải

Christopher^{'} s age is : 24

Ishaan^{'} s age is : 44

Các bước giải pháp

Translate the problem into an equation:

x + 20 - 14 = 3 (x - 14)

Giải

x, x + 20 - 14 = 3 (x - 14) : x = 24

Tìm age

Christopher^{'} s age is : 24

Ishaan^{'} s age is : 44

Ví dụ phổ biến

Two consecutive integers have a sum of 45, find the integers.20% of what number is 80 Enter brady took 10 apples and gave away 4 how many apples does brady have left The sum of two numbers is 57. If the larger of the two numbers is 9 less than twice the smaller, find the two numbers.find two consecutive numbers whose sum is 115