Section 1:Using the Percent Proportion
21 is what percent of 50?
Show your work using the percent proportion
What is 42%?
15 is what percent of 300?
Show your work using the percent equation
What is 5%?
Find the percent change. State whether the percent of change is an increase or decrease.
From $40 to $32
What is -20%; decrease
Find the selling price for each item given the cost and the percent of markup.
Shoes: $30, 25% markup
What is $37.50?
Using the formula i=prt. Find the interest earned. Round to the nearest cent.
$1359 at 6% for 7 years
What is $567?
Sixteen of the 80 dogs at a kennel are golden retrievers. What percent of the dogs at the kennel are golden retrievers?
Show your work using the percent proportion.
What is 20%?
A commission is a fee paid to a salesperson based on percent of sales. Suppose a salesperson at a jewelry store earns a 6% commission. What commission would be earned for selling a ring that cost $1300?
Show your work using the percent equation
What is $78?
On Saturday, Smoothie Central made $1300 in sales. On Sunday, they made $900 in sales. What is the percent of change from Saturday to Sunday, and is it an increase or decrease?
Round to the nearest tenth if necessary.
What is -30.8% ; decrease
What is $60.50?
Using the formula i=prt. Find the total amount in the account. Round to the nearest cent.
$2750 at 8.5% for 3 years
What is $3512.55?
A gumball machine has 95 lime-flavored gumballs and 25 watermelon-flavored gumballs. What percent of the gumballs are watermelon-flavored?
Show your work using the percent proportion.
What is 40%?
Kimberly sold Girl Scout Cookies. She sold 65 boxes of thin mints and 15 boxes of tagalongs. What percent of girl scout cookies sold were thin mints? Round to the nearest hundreth.
Show your work using the percent equation.
What is 81.25%?
Find the percent error.
The estimate for the amount of rain in may in one part of Texas was 5.6 inches. The actual rainfall was 2.4 inches. What was the percent error of the estimate to the nearest percent?
What is 133%
Wayne buys an HD television set for $466 that was marked down 33 1/3% from the original price. What is the original price to the nearest cent?
What is $699?
Thomas borrowed $4800 to buy a new car. He will be paying $96 each month for the next 60 months. Find the simple interest rate for his car loan.
What is 4%
Accessories Central is having a summer clearance sale on sunglasses. Maria wants to buy a pair of sunglasses that cost $48 with a 65% discount. The same pair of sunglasses cost $38 with a 55% discount at Shades Inc.. Which store has the better price for the pair of sunglasses. Explain your reasoning.
What is Accessories Central?
The sunglasses cost $16.80 at Accessories Central and $17.10 at Shades Inc.
Refer to photo #2 for this question.
The table shows the area of the Great Lakes.
About what percent of the Great Lakes is covered by Lake Huron? (To the nearest whole percent)
What is 24%?
Find the percent error
estimated distance: 60 miles, actual distance: 75 miles.
What is 20%?
Danisha picks up a takeout meal at a local restaurant that is discounted 25%. The price is $24.60 without the discount and sales tax of 4.5% is added. How much does Danisha pay?
What is $19.28?
Denise has a car loan of $8000. Over the course of the loan, she paid a total of $1680 in interest at a simple interest rate of 6%. How many months was the loan?
What is 42 months?
Refer to photo #1 for this question.
Determine about how many of the 2947 people surveyed said their most important New Year's Resolution was to get organized.
What is 973 people?
Refer to photo #3 for this question.
The table is the results of the Wimbledon Women's Championship match.
Which player had a greater percent of their first serves in?
Who is Venus Williams?
Refer to photo #4 for this question.
The first and second quarter earnings of two restaurants are shown in the table. Which restaurant had the greatest percent of change in the second quarter? Explain your reasoning.
Who is restaurant B?
Restaurant B increased by 22% and restaurant A increase by about 3%.
Refer to photo #5 for this question.
Geoff marked down the prices of several items by 20%. Find the original price of each item and copy and complete the table. Round to the nearest cent.
From left to right:
$3.74, $6.24, $8.74, $11.24, $13.74
Refer to photo #6 for this question.
A bank offers the options shown for interest rates on their savings accounts. Which option will yield more money after 3 years with an initial deposit of $1500? Explain.
Use i=prt for simple interest and B=(1+r)^t for compount interest
What is Option A?
Option A earned $281.25 in interest.
Option B earned $273.91 in interest.