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Peter is 28 years older than John. In 6years, Peter will be three times as old as John. How old is Peter? SOLUTION:

Soluzione

Peter is 28 years older than John. In 6years, Peter will be three times as old as John. How old is Peter? SOLUTION:

Soluzione

Peter^{'} s age is : 36

Fasi della soluzione

Translate the problem into an equation:

x + 6 = 3 (x - 28 + 6)

Risolvi per

x, x + 6 = 3 (x - 28 + 6) : x = 36

Peter^{'} s age is : 36

Esempi popolari

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