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شائع Word Problems >

5 years from now Sharon will be twice as old as Peter.The current sum of the ages of Sharon and Peter is 77.How old is Peter right now?

الحلّ

5 ye a rs f ro m n o w S ha ro n w i ll b e tw i ce a s o l d a s P e t er . T h e c u rre n t s u m o f t h e a g es o f S ha ro n an d P e t er i s 77. Ho w o l d i s P e t er r i g h t n o w ?

الحلّ

Peter^{'} s age is : 24

خطوات الحلّ

Translate the problem into an equation:

x + 5 = 2 (77 - x + 5)

x + 5 = 2 (77 - x + 5), x

حلّ لـ:

x = 53

Peter's age جد:

24

Peter^{'} s age is : 24

أمثلة شائعة

Find the future value and interest earned if 8704.56 is invested for 7 years at 5% compounded Semiannually continuously A pair of numbers has a sum of 52 and a difference of 11. Find the numbers.Three times the sum of a number and 28 is at least 18 177 is 20% of what number You deposit all of your graduation money, 2,560 , into an account earning 3.5% interest, compounded annually. You want to let it sit, no deposits or withdraws, while you are in college for 4 years. How much will you have at the end of 4 years?