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شائع Word Problems >

A father is 10 times as old as his son. In 5 years the father will be 5 times as old as his son. How old is the father now and old is the son now?

الحلّ

A f a t h er i s 10 t im es a s o l d a s hi s so n . I n 5 ye a rs t h e f a t h er w i ll b e 5 t im es a s o l d a s hi s so n . Ho w o l d i s t h e f a t h er n o w an d o l d i s t h e so n n o w ?

الحلّ

Boy^{'} s age is : 4

Father^{'} s age is : 40

خطوات الحلّ

Translate the problem into an equation:

10 x + 5 = 5 (x + 5)

10 x + 5 = 5 (x + 5), x

حلّ لـ:

x = 4

age جد

Boy^{'} s age is : 4

Father^{'} s age is : 40

أمثلة شائعة

Kate has 70, 000 in a savings account that earns 8% interest per year.The interest is not compounded.How much interest will she earn in 1 years?3.Michael invests 440 for 8 years at a rate of 5.8%pa compounding annually. What is the total value of the investment?0.2 of what number is 8 35 is 87.5% of what number How many identical groups can be made out of 16j and 32q?