A University of Florida student earns $15 per day delivering advertising brochures door-to-door, plus 75¢ for each person he int
1 answer:
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The best way to solve this is to put it into a proportion:
So you cross multiply to get:
(the 21 is from 
•84)
Then multiply by
And you get $28, so the reduced price would be $28.
So you cross multiply to get:
Then multiply by
And you get $28, so the reduced price would be $28.