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شائع Word Problems >

One year ago Kimi was twice the age of David. Now the sum of their ages is 35:How old is each now?

الحلّ

O n e ye a r a g o K imi w a s tw i ce t h e a g e o f D a v i d . N o w t h e s u m o f t h e i r a g es i s 35 : Ho w o l d i s e a c h n o w ?

الحلّ

Kimi^{'} s age is : 23

David^{'} s age is : 12

خطوات الحلّ

Translate the problem into an equation:

x - 1 = 2 (35 - x - 1)

x - 1 = 2 (35 - x - 1), x

حلّ لـ:

x = 23

age جد

Kimi^{'} s age is : 23

David^{'} s age is : 12

أمثلة شائعة

the sum of-11 and a number jenna has five apples he gave tom 2 how many apples does she have left Find the side of a square with an area of 36 find how long it takes 1900dollars investment to earn 60.00dollars in interest if the interest rate is 2% compounded annually If 10, 000 is invested at an interest rate of 2% per year, compounded semiannually, find the value of the investment after 12 years