Julius sold five times as many computers as Sam sold last year. In total, they sold 78 computers. How many computers did Julius
sell?
1 answer:
Let x = # of computers sold by Sam; then 5x = # of computers sold by Julius
our equation becomes x + 5x = 78
which becomes 6x = 78
solving, x = 13 which is the # of computers sold by Sam
so 5x = 5(13) = 65 which is the number of computers sold by Julius
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