It would be a, take 10% of $85 as the $15 is taken off first then the next discount is attached to the new price
Answer:
4 3/7
Step-by-step explanation:
Divide 31 by 7 to the closest whole number. 28/7 is 4 and you have 3/7 left, so you get 4 3/7
A 4 years because it is half the number he wants it to double in
I think
This is your typical algebra question where you are looking for an unknown value given some information. The information can be set up as:
8 - x = 4*(x +3)
Distribute the 4:
8 - x = 4x + 12
Rearrange to get variables on one side:
8 - 12 = 4x + x
Simplifiy:
-4 = 5x
Isolate the variable:
-4/5 = x
Explanation : if two half cups is 1 cup . then you just multiply by 2 to get how many half cups of juice she would need .
