How is adding decimals similar to subtracting decimals?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

At 6 1/2 cents per pound of string beans how much does 7 pounds cost