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A school carnival sold two different kinds of tickets: Ride tickets for $4 and Entry tickets for $2. A total of 40 tickets were sold and total ticket sales were $120.How many ride tickets were sold?​

User Rubotero
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Let r=ride tickets and e=entry tickets
Set up the following equations
r+e=40
4r + 2e = 120

Take the first equation and solve for e

e = 40-r

Substitute this into the second equation and solve for r

4r + 2(40 - r) = 120
4r + 80 - 2r = 120
2r = 40
r = 20

20 ride tickets were sold
User FarukT
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