I hope this helps you
x^2-x-72=0
x -9
x +8
(x-9)(x+8)=0
x=9
x= -8
Answer:
Number of cups of regular coffee the shop sells = 3d
Step-by-step explanation:
Let
d = cups of decaffeinated coffee
Three times as many cups of regular coffee as decaffeinated coffee.
Number of cups of regular coffee the shop sells = 3d
The absolute change in price was $12−$8=$4. Relative to the original price, it was 412, which is 0.3333 or 33.33%.
The answer was 1,150.0 but as a whole number its 1,150.