faristide27 faristide27

13-11-2014
Mathematics

Answered

an adult ticket to a museum costs 3 dollars more than a childs ticket. when 200 adult tickets and 100 childrens tickets are sold, the total revenue is 2100 dollars. What is the cost of a childs ticket and please explain

Verified Answer :

13-11-2014

x=child's ticket price
\(200(x+3)+100x=2100\\200x+600+100x=2100\\300x+600=2100\\300x=1500\\x=5\)

So adult's ticket price would be:
\(x+3\)
\(5+3=8\)

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