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Beliebt Word Problems >

Whitney is 40 years old. Mary is 2 years older than Johnny and 3 years younger than Eva. Johnny is 27 years younger than Whitney. How old is Eva?

Lösung

Whi t n ey i s 40 ye a rs o l d . M a ry i s 2 ye a rs o l d er t han J o hnn y an d 3 ye a rs yo u n g er t han E v a . J o hnn y i s 27 ye a rs yo u n g er t han Whi t n ey . Ho w o l d i s E v a ?

Lösung

Eva^{'} s age is : 18

Schritte zur Lösung

Translate the problem into an equation:

x - 2 + 27 = 40

Löse nach

x, x - 2 + 27 = 40 : x = 15

Finde Eva's age

: 18

Eva^{'} s age is : 18

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