Math
posted by John please on .
In a flower box there are nine red flowers and six white flowers. There are three times as many yellow flowers as white ones. How many flowers are there in all?

5 hockey pucks and three hockey sticks cost $23. 5 hockey pucks and 1 hockey stick cost $20. How much does 1 hockey puck cost?

John's question was answered already.
http://www.jiskha.com/display.cgi?id=1322723020
Kevin should have posted a separate question. 
5x+3y=23.5
5x+ y=20
+2y=3.5
y=1.75
x=(23.53y)/5
x=(23.53*1.75)/5
x=18.25