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פּוֹפּוּלָרִי Word Problems >

Daniel's age is half of Michael's age. Emma is four years older than Michael. The sum of Daniel, Emma and Michael's age is 54. How old is Michael?

פתרון

D ani e l^{'} s a g e i s ha l f o f M i c ha e l^{'} s a g e . E mma i s f o u r ye a rs o l d er t han M i c ha e l . T h e s u m o f D ani e l, E mma an d M i c ha e l^{'} s a g e i s 54. Ho w o l d i s M i c ha e l ?

פתרון

Michael^{'} s age is : 20

צעדי פתרון

Translate the problem into an equation:

\frac{1}{2} x + x + 4 + x = 54

\frac{1}{2} x + x + 4 + x = 54, x

פתור בשביל:

x = 20

Michael^{'} s age is : 20

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