Answer:
x=48 y=30
Step-by-step explanation:
n=-1
43/-43=-1
y=-3
5x+7y=-31
(-) 5x-9y+17
-----------------
16y=-48
------------
16 16
5×4= 20
20×10= 200
200×0.15 = 30
B. $30
the first one is 13 and the second is 22