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פּוֹפּוּלָרִי Word Problems >

Nina is n years old. Paul is 2 years younger than Nina. The product of their ages is 783. What is Paul's age?

פתרון

N ina i s n ye a rs o l d . P a u l i s 2 ye a rs yo u n g er t han N ina . T h e p ro d u c t o f t h e i r a g es i s 783. Wha t i s P a u l^{'} s a g e ?

פתרון

Paul^{'} s age is : 27

צעדי פתרון

Translate the problem into an equation:

n = y + 2, n y = 783

n = y + 2, n y = 783 : (y = 27, n = 29 y = - 29, n = - 27)

החלף את:

27

Paul^{'} s age is : 27

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