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Popolare Word Problems >

Bob's sister is 6 years older than twice Bob's age. The sum of their ages is 42 . How old is Bob?

Soluzione

B o b^{'} s s i s t er i s 6 ye a rs o l d er t han tw i ce B o b^{'} s a g e . T h e s u m o f t h e i r a g es i s 42 . Ho w o l d i s B o b ?

Soluzione

Bob^{'} s age is : 12

Fasi della soluzione

Translate the problem into an equation:

42 - x - 6 = 2 x

Risolvi per

x, 42 - x - 6 = 2 x : x = 12

Bob^{'} s age is : 12

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