Sales. A dealer bought some radios for a total of $1,200. She gave away 6 radios as
Chapter 7, Problem 7.7.53(choose chapter or problem)
Sales. A dealer bought some radios for a total of $1,200. She gave away 6 radios as gifts, sold the rest for $10 more than she paid for each radio, and broke even. How many radios did she buy?
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