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Popolare Word Problems >

Sophie is 6 years older than Simphiwe. In 3 years', time Sophie will be twice as old as Simphiwe. How old is Sophie now?

Soluzione

S o p hi e i s 6 ye a rs o l d er t han S im p hi w e . I n 3 ye a r s^{'}, t im e S o p hi e w i ll b e tw i ce a s o l d a s S im p hi w e . Ho w o l d i s S o p hi e n o w ?

Soluzione

Sophie^{'} s age is : 9

Fasi della soluzione

Translate the problem into an equation:

x + 3 = 2 (x - 6 + 3)

Risolvi per

x, x + 3 = 2 (x - 6 + 3) : x = 9

Sophie^{'} s age is : 9

Esempi popolari

kate is three times as old as her son. if kate is 30 years older than her son what are their ages Lauren's age is half of Joe's age. Emma is four years younger than Joe. The sum of Lauren, Emma, and Joe's age is 54. How old is Joe?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?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?