C=child ticket
A=adult ticket
4C+8A=128 => C+2A=32...........(1)
6A=72 => A=12.................(2)
Substitute (2) into (1)
C+2(12)=32
solve for C.
For the first tour on Monday, a museum sells 4 child tickets and 8 adult tickets for $128. For the second tour the museum sells 6 adult tickets for $72. Find the price of one child ticket and the price of one adult ticket
2 answers
mama