Homework Help: middle school math

Posted by Kael on Friday, February 26, 2010 at 12:28am.

Andy paid $66 for 6 tulips and 18 roses. The next week,he bought 4 tulips and 7 roses for $29. What is the unit price for ea kind of flower?
_______________, __________________

middle school math - drwls, Friday, February 26, 2010 at 7:51am
Let the unit price of tulips be T and the unit price of roses be R.

4T + 7R = 29
6T + 18R = 66

Solve that pair of equations.

12T + 21R = 87
12T + 36R = 132
15R = 45
R = $3.00
4T = 29 - 21 = 8
T = $2.00

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