10,000,000+2,000,000+400,000+30,000
R + d = 1750
r = d + 450
d + 450 + d = 1750
2d + 450 = 1750
2d = 1750 - 450
2d = 1300
d = 1300/2
d = 650 <=== what Dustin pays
r = d + 450
r = 650 + 450
r = 1100 ...Robert pays 1100
Answer:
36
Step-by-step explanation:
F(b)=4.5b
F(8)=4.5(8)
F(8)= 36