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Populaire Word Problems >

Your dog is 10 years younger than your friend. In 4 years, your friend will be three times as old as your dog. How old is your dog now?

Solution

Y o u r d o g i s 10 ye a rs yo u n g er t han yo u r f r i e n d . I n 4 ye a rs, yo u r f r i e n d w i ll b e t h ree t im es a s o l d a s yo u r d o g . Ho w o l d i s yo u r d o g n o w ?

Solution

Dog^{'} s age is : 1

étapes des solutions

Translate the problem into an equation:

x + 10 + 4 = 3 (x + 4)

Solutionner pour

x, x + 10 + 4 = 3 (x + 4) : x = 1

Dog^{'} s age is : 1

Exemples populaires

Gerald is four more than twice the age of Tom. Tom is 49 years old. How old is Gerald?Alex is three times older than his brother now. In two years, he will be two times older than his brother. How old is his brother now?John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, John will be three times as old as Alice. How old is Peter?A sofa is 12 years old and a table is 36 years old. In how many years will the table be twice as old as the sofa?Emma is 10 years old. Her mother is 30 years older than Emma. How old is her mother