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人気のある Word Problems >

Tyson is y years old and his brother, Ted, is three years younger. In three years' time they will be a total of 33 years old.What age is Tyson now?

解

T yso n i s y ye a rs o l d an d hi s b ro t h er, T e d, i s t h ree ye a rs yo u n g er . I n t h ree ye a r s^{'} t im e t h ey w i ll b e a t o t a l o f 33 ye a rs o l d . Wha t a g e i s T yso n n o w ?

解

Tyson^{'} s age is : 15

解答ステップ

Translate the problem into an equation:

z = y - 3, y + 3 + z + 3 = 33

z = y - 3, y + 3 + z + 3 = 33 : y = 15, z = 12

Tyson^{'} s age is : 15

人気の例

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