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Popolare Word Problems >

Joshua is twice as old as his brother Carlo. In 10 years, the sum of their ages will be 45. How old are they now?

Soluzione

J os h u a i s tw i ce a s o l d a s hi s b ro t h er C a r l o . I n 10 ye a rs, t h e s u m o f t h e i r a g es w i ll b e 45. Ho w o l d a re t h ey n o w ?

Soluzione

Carlo^{'} s age is : 8 \frac{1}{3}

Joshua^{'} s age is : 16 \frac{2}{3}

Fasi della soluzione

Translate the problem into an equation:

2 x + 10 + x + 10 = 45

Risolvi per

x, 2 x + 10 + x + 10 = 45 : x = \frac{25}{3}

Trova age

Carlo^{'} s age is : 8 \frac{1}{3}

Joshua^{'} s age is : 16 \frac{2}{3}

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