Homework Help: math

Posted by Sam on Saturday, November 3, 2012 at 8:53pm.

Tickets to the Senior Class Play cost $3.00 for students, $8.00 for adults, and $5.00 for senior citizens. At Friday night's performance, there were 121 students, 174 adults, and 32 senior citizens. At Saturday night's performance, there were 183 students, 140 adults, and 25 senior citizens. Display this information in matrix form. Then use matrix multiplication to find the ticket sales income for Friday and Saturday night/s performances

math - Reiny, Saturday, November 3, 2012 at 9:38pm
the attendance matrix:

121 174 32
183 140 25

the price matrix:
3.00
8.00
5.00

Friday: 121(3) + 174(8) + 32(5) = ....
Satuday: 183(3) + 140(8) + 25(5) = ...

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