SOLUTION: Max buys some pens and pencils. He buys 7 more pens then pencils. Pens cost $0.45 each and pencils cost $0.40 each. If he has $10 to spend, what is the greatest amount of each can

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Question 24339: Max buys some pens and pencils. He buys 7 more pens then pencils. Pens cost $0.45 each and pencils cost $0.40 each. If he has $10 to spend, what is the greatest amount of each can he buy?
Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
Pencils = x
Pens = 7+x


0.45(7+x)+0.40(x)=10
3.15+.45x+0.4x=10
0.85x=6.85
x=8 (rounded)

7+8=15

Hence he can buy 15 pens and 8 pencils.
Paul.