Britney bought 3 gallons of juice for $2.75 per gallon. She sold the juice 1-cup servings for $0.80 each. Each serving is 1/16 gallon. How much more did She get for selling the juice than she paid to buy it?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?