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شائع Word Problems >

Chris's is 19 years older than Shelley. Five years ago, the sum of their ages was 129. How old are they now?

الحلّ

C h r i s^{'} s i s 19 ye a rs o l d er t han S h e ll ey . F i v e ye a rs a g o, t h e s u m o f t h e i r a g es w a s 129. Ho w o l d a re t h ey n o w ?

الحلّ

Chris^{'} s age is : 79

Shelley^{'} s age is : 60

خطوات الحلّ

Translate the problem into an equation:

x - 5 + x - 19 - 5 = 129

x - 5 + x - 19 - 5 = 129, x

حلّ لـ:

x = 79

age جد

Chris^{'} s age is : 79

Shelley^{'} s age is : 60

أمثلة شائعة

the product of 12 and a number is 36 Four subtracted from the product of 9 and a number is a most −30.Raffi is twice as old as Anoush. Five years from now the sum of their ages will be 64 . How old are Raffi and Anoush? Solution:two less than three times a number is nine 11 is equal to 4 more than the number.