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Popolare Word Problems >

The sum of the ages of Nate and Cristina is 90 years. 10 years ago, Nate's age was 4 times Cristina's age. How old is Nate now?

Soluzione

T h e s u m o f t h e a g es o f N a t e an d C r i s t ina i s 90 ye a rs . 10 ye a rs a g o, N a t e^{'} s a g e w a s 4 t im es C r i s t in a^{'} s a g e . Ho w o l d i s N a t e n o w ?

Soluzione

Nate^{'} s age is : 66

Fasi della soluzione

Translate the problem into an equation:

x - 10 = 4 (90 - x - 10)

Risolvi per

x, x - 10 = 4 (90 - x - 10) : x = 66

Nate^{'} s age is : 66

Esempi popolari

Quinn is 57 years younger than Summer. 8 years ago, Summer's age was 4 times Quinn's age. How old is Quinn now?if bob is twice jane's age and jane is 8 years old. How old is Bob Dakota is 69 years old. Patricia is 39 years old. How many years ago was Dakota's age 3 times Patricia's age?Chan is 4 years older than Soo and the sum of their ages is 46. How old is each?Daniel's age is half of Michael's age. Emma is four years older than Michael. The sum of Daniel, Emma and Michael's age is 54. How old is Michael?