Answer:
7
Step-by-step explanation:
7²/x²-2 when x=3
49/3²-2
49/9-2
49/7
answer=7
Answer:
I'd say 8 h given the provided nformation
8 gallons = ? quarts
1 gallon = 4 quarts
Convert:-
4 × 8 = 32
8 gallons = 32 quarts
Trevor used all the quarts besides 1. How many quarts of paint did he use?
32 - 1 = 31
Trevor used 31 quarts of paint.
4000 divide by 160 to get the cost of each book
4000 / 160 = 25
So that's £25 per book, multiply that by two because they gave two away which is £50 so they lost £50