Since a pound of sugar increases proportionally to the total cost of sugar bought, then the function can be written as:
c(p) = 0.42p
Where: c(p) = total cost of sugar bought
p = pounds of sugar
c(p) is a function of p, because c(p) depends on p.
I think you would use the equation 2x+1+33+90=180
Answer:
Step-by-step explanation:
2.72 is the unit rate
Since the number before the number in the tenth place (7) is greater than 5 (8), you will be rounding up. So your answer is 9.80