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Popolare Word Problems >

Helen is 64 years old. Reba is 7 years younger than Troy and 5 years older than Jonah. Troy is 7 years younger than Helen. How old is Reba?

Soluzione

He l e n i s 64 ye a rs o l d . R e ba i s 7 ye a rs yo u n g er t han T roy an d 5 ye a rs o l d er t han J o nah . T roy i s 7 ye a rs yo u n g er t han He l e n . Ho w o l d i s R e ba ?

Soluzione

Reba^{'} s age is : 50

Fasi della soluzione

Translate the problem into an equation:

x + 7 + 7 = 64

Risolvi per

x, x + 7 + 7 = 64 : x = 50

Reba^{'} s age is : 50

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