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人気のある Word Problems >

Bob's age is 4 times greater than Susanne's age. Dakota is three years younger than Susanne. The sum of Bob's, Susanne's, and Dakota's ages is 93. What is Susanne's age?

解

B o b^{'} s a g e i s 4 t im es g re a t er t han S u s ann e^{'} s a g e . D ak o t a i s t h ree ye a rs yo u n g er t han S u s ann e . T h e s u m o f B o b^{'} s, S u s ann e^{'} s, an d D ak o t a^{'} s a g es i s 93. Wha t i s S u s ann e^{'} s a g e ?

解

Susanne^{'} s age is : 16

解答ステップ

Translate the problem into an equation:

4 x + x + x - 3 = 93

x

を解く

4 x + x + x - 3 = 93 : x = 16

Susanne^{'} s age is : 16

人気の例

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