Topic 6 - Percent Challenges

Marty buys a jar of candies. He gives 30% to Bob, a quarter to Jim, 10% to Joe, and keeps the remaining 21 candies for himself. How many candies were originally in the jar? (Do not put a label!)

Tags

CCSS.7.EE.B.3

The original price of a game is $36. It is on sale for a 15% discount. After the sale, there will also be 6.5% sales tax. Find the cost of the game, rounded to the nearest penny. (Put a $ sign, but no word label.)

A baker made 80 cookies. In the morning, she sold 40% of the cookies. In the afternoon, she sold 25% of the remaining cookies. How many cookies were left over at the end of the day? (Do NOT put a label.)

Tags

CCSS.7.EE.B.3

In a trivia competition, Jane scored 250 points. Amy scored 24% more points than Jane. Eva scored 30% more points than Amy. How many points did the three girls score altogether? (Do NOT put a label.)

Tags

CCSS.7.EE.B.3

Pat just received a 10% raise at his job. His new salary will be $57,750. What was his salary before the raise? (Put a $, but no word label.)

Jimmy has $200 and plans to spend 80% of his remaining money each week until he has less than a $1 left. How much money will he have left when he reaches that point? (Put a $ sign, but no word label.)

The population of Mathville in 2020 was 7,200 people. In 2021, the population increased by 5%. In 2022, the population decreased by 5%. What was the population in 2022? (Do NOT put a label!)

In a classroom, 80% of the students have a pet. Out of the pet owners, 50% have a dog, 35% have a cat, and the remaining 3 children have another type of pet. How many total children are in the class? (Do NOT put a label!)

Tags

CCSS.7.EE.B.3

If you take a true/false quiz that has 4 questions, and you guess on every question, what is the percent chance that you get all of them correct?

• 50%

• 25%

• 12.5%

• 6.25%

• 3.125%

Sam combines 20 ounces of Liquid A with 40 ounces of Liquid B. Liquid A contains 40% juice and Liquid B contains 10% juice. What percent of the new mixture is juice? (Put a % sign in answer, but no word label!)

Tags

CCSS.6.RP.A.3C