Check the picture below.
Answer:
78.09
Step-by-step explanation:
a) 32.25* 40 = 1290
b) 32.25 (1.5) *12 =580.50
c) 1290+580.50=1870.50
3 and 4 x=25, y=29
If you need a step by step explanation, I will edit this later.