math

posted by Anonymous

You and your friend are selling tickets to a charity event. You sell 4 adult tickets and 11 student tickets for \$148. Your friend sells 7 adult tickets and 5 student tickets for \$145. What is the cost of a student ticket?
\$

1. vera hampton

1.45

2. Reiny

@ vera .... Just blurting out an answer serves absolutely no purpose!

4a + 11s = 148
7a + 5s = 145

solve the 2 equations in 2 unknowns

I suggest multiplying the first by 7 and the 2nd by 5 and then subtracting them

3. Ms. Sue

Apparently Vera in Pleasanton wants everyone to know about her ignorance.

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