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受欢迎的 Word Problems >

1.3 Kagiso and Tshepang are brothers. Kagiso's age is 3times Tshepang's age.:In 6 years' time Kagiso's age will be twice Tshepang's age. Calculate the present:age of Kagiso (The elder brother)

解答

1.3 K a g i so an d T s h e p an g a re b ro t h ers . K a g i s o^{'} s a g e i s 3 t im es T s h e p an g^{'} s a g e . : I n 6 ye a r s^{'} t im e K a g i s o^{'} s a g e w i ll b e tw i ce T s h e p an g^{'} s a g e . C a l c u l a t e t h e p rese n t : a g e o f K a g i so (T h e e l d er b ro t h er)

解答

Kagiso^{'} s age is : 18

求解步骤

Translate the problem into an equation:

3 x + 6 = 2 (x + 6)

求解

x, 3 x + 6 = 2 (x + 6) : x = 6

找到 Kagiso's age

: 18

Kagiso^{'} s age is : 18

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