Answer:
9x-3y
Step-by-step explanation:
5x-x 4x
+5x=9x
and then add 3y
5x-x-3y+5x
4x-3y+5x
B (x, y) - (0.5x,0.5y) as all four sides have halved in length
10.50 is what she has left to spend
0.60 or 0.6
Divide three by five :)
3÷5= 0.6
800(1-0.25)