Total cost = student cost + adult cost
t = 25s + 3(s+3)
t=28s+9
Answer:
x=4.5 and y= -6
Step-by-step explanation:
2x+5y= -21
-2x+3y= -27
add the two equations: 8y= -48
y=-48/8= -6
sub for y in 2x+5y= -21
2x + 5(-6)=-21, 2x-30= -21
2x= -21+30= 9
x= 9/2=4.5
Melissa, Juan, Sara, and Marsha.
Hope this helps! :)
Number 1 is 4 4/5#2 is-3 #3 is > anf # 4 is 13 units
