You have to flip the last fraction and multiple both the top by the top and the bottom by the bottom then you have to simply but just look that up or ask your teacher.
Answer:
39
Step-by-step explanation:
(-1)²-8x(-1)+30
1+8+30
39
4 quarts is 1 gallon
6 pints is 0.75 gallons
4 cups is 0.25 gallons
if you add all of those you would get 2 gallons
so she would need 1 more gallon of lemonade
The ratio can not go exactly in 10:9
