14. a music dealer ran a sale of records and tapes. records were reduced to $7 each and tapes to
$7.50 each. the dealer sold 60 more records than tapes for a total sale of $2160. how many
records did the dealer sell?

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6

step-by-step explanation:

a bicycle manufacturer uses the given expression to model the monthly profit from sales of a new model of bicycle, where x is the selling price of one bicycle, in dollars.

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