SOLUTION: Can you help with how to solve the following problem. I have the answer, I'm just having difficulty with how to structure the equation. Tickets for a train excursion were $120

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Question 100061This question is from textbook Beginning Algebra
: Can you help with how to solve the following problem. I have the answer, I'm just having difficulty with how to structure the equation.
Tickets for a train excursion were $120 for a sleeping room, $80 for a berth, and $50 for a coach seat. The total ticket sales were $8600. If there were 20 more berth tickets sold than sleeping room tickets and 3 times as many coach tickets as sleeping room tickets, how many of each type of ticket were sold?
This question is from textbook Beginning Algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
s(120)+(s+20)(80)+(3s)(50)=8600

120s+80s+1600+150s=8600 ... 350s=7000 ... s=20