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Populaire Word Problems >

Three years ago, Evan was one third of his sister's age. In a year's time, Evan will be half of his sister's age. How old is Evan now?

Solution

T h ree ye a rs a g o, E v an w a s o n e t hi r d o f hi s s i s t e r^{'} s a g e . I n a ye a r^{'} s t im e, E v an w i ll b e ha l f o f hi s s i s t e r^{'} s a g e . Ho w o l d i s E v an n o w ?

Solution

Evan^{'} s age is : 6

étapes des solutions

Translate the problem into an equation:

\frac{1}{2} x - 3 = \frac{1}{3} (x - 3)

Solutionner pour

x, \frac{1}{2} x - 3 = \frac{1}{3} (x - 3) : x = 12

Trouver Evan's age

: 6

Evan^{'} s age is : 6

Exemples populaires

A colony of bees increases by 34% every 5 months. How many months will it take for the bee population to triple?Edmond puts 1,000.00 into an account to use for school expenses. The account earns 8% interest, compounded monthly. How much will be in the account after 6 years?Find the balance if 23000 is invested in an account paying 7.5 % interest compounded semi-annually for 20 years.The balance will be I took five 100 bills down to the bank. They told me that if I kept all of that money in their bank for at least two years they would guarantee me 3% interest compounded monthly. How much will you have after 2 years One number is five more than twice another. If their sum is decreased by ten, the result is 22