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Please help I don't know what to do for number 40

Please help I don't know what to do for number 40
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2 votes
Please help I don't know what to do for number 40

Please help I don't know what to do for number 40-example-1
User Sujeet Kumar
by
8.1k points

1 Answer

4 votes
x - tickets for adults
y - for students


6x+4.5y=1155\\ x+y=240\\\\ 6x+4.5y=1155\\ -4.5x-4.5y=-1080\\ ----------\\ 1.5x=75\\ x=50\\\\ 50+y=240\\ y=190
User Patrik Beck
by
8.2k points
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