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Popular Word Problems >

Four years ago, Dennis was 3 times as old as his nephew, Richie.How old is Dennis now if the sum of their present ages is 64?

Solução

F o u r ye a rs a g o, De nni s w a s 3 t im es a s o l d a s hi s n e p h e w, R i c hi e . Ho w o l d i s De nni s n o w i f t h e s u m o f t h e i r p rese n t a g es i s 64 ?

Solução

Dennis^{'} s age is : 46

Passos da solução

Translate the problem into an equation:

x - 4 = 3 (64 - x - 4)

Resolver para

x, x - 4 = 3 (64 - x - 4) : x = 46

Dennis^{'} s age is : 46

Exemplos populares

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