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Five year ago Nina was twice as old as Sam. In five years she will be 1.5 times as old as Sam. How are Sam and Nina now.

الحلّ

Five year ago Nina was twice as old as Sam. In five years she will be 1.5 times as old as Sam. How are Sam and Nina now.

الحلّ

Nina^{'} s age is : 25

Sam^{'} s age is : 15

خطوات الحلّ

Translate the problem into an equation:

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5)

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5) : x = 25, y = 15

Nina^{'} s age is : 25

Sam^{'} s age is : 15

أمثلة شائعة

In 6 years' time, Jane's father will be three times as old as her and the sum of their ages will be 64. How old is her father now?Andrew is 138 years old .erica is 21 years old . how many years until Andrew age is 4 times erica age Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the age of each A man is 22 years older than his son. In 8 years, the sum of their ages will be 102. How old is the father now A mother is currently 10 times older than her son. In 4 years time, she will be 7 times older than her son. Use substitution to find answer.