Rate Reasoning and Percent

What is 0.4 as a percent?

• 40%

• 4%

• .4%

• 400%

Sharon makes money by commission rates. She gets 17% of everything she sells. If Sharon sold $37000 worth of items this month, what is her salary for the month?

• $14,800

• $5,180

• $629

• $6,290

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%

• 41%

• 42%

• 45%

Tickets to Disney World are $100.The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

• 25%

• 18%

• 20%

• 50%

Chad bought a pair of jeans that cost $54, but his total was $58.32 due to the sales tax. What percent sales tax did he pay?

• 8%

• 80%

• 4.32%

• 6%

What are the steps to solve this problem? A department store is offering the same percentage discount on all their shoes. If a pair of shoes was marked down from $70 to $49, what would the discounted price be for a $100 pair of shoes?

• Subtract $21 from $100 to find the final price.

• Find the percent decrease from 70 to 49 and apply that percentage discount to the 100 pair of shoes.

• Find 49% of 70$ and then take that percentage off of 100.

• There is no answer to this problem.

A store is having a store wide sale on all merchandise.  All items are discounted by 12%. There is a pair of skates that usually sells for $86.99. What would be the total cost of the skates if a 6.5% sales tax is applied after the discount?

• $81.53

• $73.69

• $84.30

• $72.35

A family went out to dinner and the bill came to $109.75. The family decided to leave a total of $129.51 for the bill and tip. The percent of the tip, rounded to the nearest percent is  _________ %

Shae makes an investment of $7,880 into an account that earn 3.5% simple interest per year.  What is the total amount that Shanice will have in the account after 9 years?

• $2482.20

• $10362.20

• $8880

• $14325.33

Zachariah purchased a laptop whose battery life was originally 6 hours. The manufacturer remade the battery so that the battery life is now 8.5 hours. The change in battery life is an example of a percent  _________ ( Responses: Increase, Decrease)  _________ . The actual percent of change is   _________ %.

• Increase, 50%

• Decrease, 49%

• Increase, 42%

• Decrease, 38%