s = a+10
18a+12s = 240
A class went on a field trip to see a play. Adult tickets cost $18 each and student tickets cost $12 each. There were 10 more students than adults that went to the play. If the trip cost $240 in all, how many adults and students went to see the play? Write and solve a system of equations by substitution.
3 answers
a = 4
S= 14
S= 14
Amare worked twice as many hours as Jing. Together, Amare and Jing worked a total of 42 hours. How many hours did each person work?
1 answer