Answer: r = -244
Step-by-step explanation:
Answer:
258
Step-by-step explanation:
Set up the two equations needed (x is the adult tickets and y is the student tickets)
x+y=372
6x+2y=1776
Solve by elimination
-2(x+y=372)
=-2x-2y=-744
Cancel like figures:
-2x-2y=-744
6x+2y=1776
= 4x=1032
x=258
Sam painted 3
ellie painted 2x3, so she painted 6
6+3=9
together they painted 9 pictures