PLEASE 1. When Roberto got a puppy from the shelter, it weighed 10.5 lbs. The puppy gained 40% of its original weight in the first month that Roberto had him. How much did the puppy weigh after the first month?
2. Tim made 80% of his free throws during the basketball tournament. He was at the free throw line ten times taking 20 shots at this tournament. How many free throw shots did he make?
3. Brittney found a swimsuit that she wanted to buy with a price tag for $100. The sign above it indicated that this price was 20% off. What is the discounted price of the swim suit?
4.James goes to his favorite hamburger place for lunch. He has a coupon that gives him a discount of 20% off the bill. James orders a cheeseburger and a milkshake. The cheeseburger is $5.50 and the shake is $2.50. A local tax of 5% is charged after the 20% discount is applied to the bill. How much did James pay including tax?
5. James goes to his favorite hamburger place for lunch. He has a coupon that gives him a discount of 20% off the bill. James orders a cheeseburger and a milkshake. The cheeseburger is $5.50 and the shake is $2.50. A local tax of 5% is charged after the 20% discount is applied to the bill. How much did James pay including tax?
6. The Key Club is selling nachos at the football game to raise money for the club's activities. The club received good prices for the ingredients from the local stores, so each serving of nachos costs them only $0.50. The members plan to sell each serving of nachos for $1.25. What percent markup is in this price?
7. To decrease your household water usage by 10% a month means that a household using 4000 gallons of water a month would cut down to using gallons a month.
8. Zoomfast Tire & Battery stores are selling new steel-belted radial tires. They promise that when these tires are used your car will get 10% better gasoline mileage. If Gloria's red convertible now goes 420 miles on a tank of gasoline, how far could she drive on a tank if she switched to the new tires?
9. A credit card company charges the retail stores a 1.5% fee for each transaction. If a store receives $2,400 in credit card charges one day, how much will it have to pay in fees?
10. A scale measures a 1,000 gram weight as 945 grams. What is the percent of change?