SOLUTION: Julius sold five times as many computers as Sam sold last year. In total, they sold 78 computers. How many computers did Julius sell?

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Question 1197879: Julius sold five times as many computers as Sam sold last year. In total, they sold 78 computers. How many computers did Julius sell?
Found 2 solutions by ikleyn, MathLover1:
Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.

Sam sold x computers.


Julius sold 5x computers.


    x + 5x = 78  computers

      6x   = 78

       x   = 78/6 = 13.


ANSWER.  Julius sold 5*13 = 65 computers.

Solved.



Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

let the number of computers Sam sold be x
if Julius sold five times as many computers as Sam, he sold 5x computers
if they sold 78 computers, we have
x%2B5x=78
6x=78
x=78%2F6
x=13
then 5x=5%2A13=65
Julius sell 65 computers