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Популярное Word Problems >

Maria’s brother, Joe, is three years less than twice Maria’s age. Joe is 19 years old. How old is Maria?

Решение

M a r ia ’ s b ro t h er, J oe, i s t h ree ye a rs l ess t han tw i ce M a r ia ’ s a g e . J oe i s 19 ye a rs o l d . Ho w o l d i s M a r ia ?

Решение

Maria^{'} s age is : 11

Шаги решения

Translate the problem into an equation:

2 x - 3 = 19

Решите для

x, 2 x - 3 = 19 : x = 11

Maria^{'} s age is : 11

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