Dictionary of English Idioms & Idiomatic Expressions

The Buds-R-Us Florist has to order roses and carnations for Valentine’s Day. Roses cost the florist $20 per dozen and carnations cost $5 per dozen. The profit on roses is $20 per dozen and on carnations is $8 per dozen. The florist can order no more than 60 dozen flowers. How many of each kind should the florist order to maximize the profit? ................
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