SOLUTION: Lex spent $8.40 for several pencils costing 20 cents each and some notebooks costing $1.20 each. He bought 7 more pencils than notebooks. how many notebooks did he buy?
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Question 534368: Lex spent $8.40 for several pencils costing 20 cents each and some notebooks costing $1.20 each. He bought 7 more pencils than notebooks. how many notebooks did he buy?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the number of notebooks. Then 
is the number of pencils. 
is the value of notebooks in cents and )
is the value of the pencils in cents, so:
\ =\ 840)
John
My calculator said it, I believe it, that settles it
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