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Popolare Word Problems >

Mary’s father is three times as old as Mary. Six years ago, father’s age was five times Mary’s age. How old is her father now?

Soluzione

M a ry ’ s f a t h er i s t h ree t im es a s o l d a s M a ry . S i x ye a rs a g o, f a t h er ’ s a g e w a s f i v e t im es M a ry ’ s a g e . Ho w o l d i s h er f a t h er n o w ?

Soluzione

Father^{'} s age is : 36

Fasi della soluzione

Translate the problem into an equation:

3 x - 6 = 5 (x - 6)

Risolvi per

x, 3 x - 6 = 5 (x - 6) : x = 12

Trova Father's age

: 36

Father^{'} s age is : 36

Esempi popolari

Adam is three years younger than twice Bob's age. In 5 years, Adam's age will be 8 years more than Bob's age. What are their 2 ages?Bill is twice as old as Bob. Bob is 3 years old. How old will Bill be in 5 years?Maria’s brother, Joe, is three years less than twice Maria’s age. Joe is 19 years old. How old is Maria?Jeff’s age is 6 more than 3 times Amber’s age. If Jeff is 27, how old is Amber?Alvin is 8 years younger than Elga. The sum of their ages is 72 . What is Elga's age?