Parmesan cheese was on sale for $13.60 per pound. Wesley bought a piece of parmesan cheese that weighed 1 ⅛ pounds how much did he pay and if you can explain

Step-by-step explanation:

Given Parmesan cheese was on sale for  $13.60 per pound

Welsey bought a piece of the parmesan cheese that weighted \frac{11}{8} pounds

we need to spend$13.60 for 1 pound

for 11/8 pound

11/8 x 13.60= 18.72

So Wesley need to spend $18.70 to get the Parmesan cheese.

answer: the common difference is -0.10