Posted by **Ron** on Monday, April 9, 2007 at 9:51pm.

For a wedding, Shereda bought several dozen

roses and several dozen carnations. The roses

cost $15 per dozen, and the carnations cost $8

per dozen. Shereda bought a total of 17 dozen

flowers and paid a total of $192. How many

roses did she buy?

A 6 dozen

B 7 dozen

C 8 dozen

D 9 dozen

Let X be the number of dozen roses.

17-X is the number of dozen carnations.

15 X + 8(17-X) = 192

7 X = 192 - 136 = 56

Solve that for X

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