A local meteorologist estimated 4.5 inches of rainfall for the month of April. The actual rainfall was 6.8 inches. What was the percent error of the estimate to the nearest tenth?
33.8% error
20
The human body is made up of about 9.3% hydrogen. What is the amount of hydrogen contained in a person who weighs 140 pounds?
13.02
20
Ella deposited $650 in a bank account that earns 7% simple interest. How much total will she have in the account after 20 years?
$1560
20
Mrs. King is buying boxes of colored pencils for her classroom. They regularly cost $1.80 each but are on sale for 30% off. If sales tax is 6% and she has a $40 budget, how many boxes can she buy?
29 boxes
25
How much does a real estate agent make in commission on the sale of a $995,000 home with a 3.2% commission rate?
$31,840
15
Mrs. Fox hikes 190.5 meters up a mountain. If she is 62% of the way up, how tall is the mountain? Round to the nearest whole meter.
307 m
15
The value of an autographed baseball card increased from $39 to $65. What is the percent change? Round to the nearest tenth.
66.7% increase
15
B
20
39 is 5% of what number?
780
10
What is the amount of tax added to a $45 item with an 8% sales tax?
$3.60
15
A Nintendo Switch that has a regular price of $294 is on sale at a 15% discount. What is the sale price with a 7% tax?
$267.39
25
There is a sale in which regular price items are discounted 25%. Then, at the register they take an additional 10% off the sale price. Find the total cost of a sweatshirt that regularly cost $56.
$37.80
25
Mrs. Saler's haircut costs $180. If she plans on leaving a 20%, how much will she leave for a tip?
$36
20
Ms. Shea is taking out a loan for $15,000 for home improvements. She plans on paying off the loan in 8 years. At the end of 8 years, Ms. Shea will have paid $7,200 in interest. What is the simple interest rate on the loan?
