Conversions
Convert 180% into a decimal.
1.8
If 13 people out of 25 people like green jolly ranchers. What percent of people like green jolly ranchers?
52%
Juicy Juice was sold in 8-ounce containers and is now sold in 40-ounce containers. What is the percent of change in quantity? State whether this is an increase or a decrease.
The quantity increased by 400%.
How much would a motorcycle cost if it were marked up 15% from its original price of $711?
The motorcycle will cost $817.65.
If you invest $800 in an account that pays 26.1% simple interest, what is the balance of the account after 6 years? Round to the nearest cent.
The balance is $2052.80.
Convert 5.1% into a decimal.
0.051
Long's Bakery sells 450 donuts a day. If 30% of these donuts are sold in the morning, how many donuts are sold in the morning?
135 donuts are sold in the morning.
On Thursday, Ryen made 669 runs. On Friday, he made 642 runs. What is the percent change in his runs? Round to the nearest percent. State whether this is increase or decrease.
There was a 4% decrease in his runs.
If a sweatsuit costs $63.99, and the sales tax is 4%, what is the total price of the sweatsuit? Round to the nearest cent.
The total price of the sweatsuit is $66.55.
If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 15 months? Round to the nearest cent.
$106.50 will be added in interest.
Convert 0.002 into a percent.
0.2%
0.5% of all statistics are false. If you have a list of 6075 statistics, how many are false? Round to the nearest whole.
30 statistics are false.
Kroger sells onions for $4.99 per pound, but they used to sell it for $8.79. What is the percent change in the price? Round to the nearest whole percent. State whether this is increase or decrease.
The price increased by 43%.
A certain container of body wash usually costs $8.99 at a store. If it is on sale for 20% off, how much does the body wash cost now? Round to the nearest cent.
The body wash costs $7.19.
Find the interest earned if you place $76.43 into an account that pays 21.5% simple interest, and leave it in for 3 months. Round to the nearest cent.
There will be $4.11 in interest.
Convert 6.9 into a percent.
690%
A store paid $75.21 for a bed. To make a profit, the store charged 270% of the cost. What is the price tag that the store puts on the couch? Round to the nearest cent.
The store charged $278.28.
At Walmart, a computer is $1099. Determine the new price of the computer if the price is decreased by 32%. Round to the nearest whole cent.
The computer costs $747.32 after the decrease.
Tracie can get a $10.28 discount on a $68.53 purchase at a certain department store because she works there. What percent discount does she get? Round to the nearest tenth of a percent.
If you take out a loan for $550 at 7.2% simple interest and make no payments for 6 months, how much do you owe total? Round to the nearest cent.
You owe $569.80.
Convert .03% into a decimal.
0.0003
Deaundre flips a quarter. The quarter lands on heads 4 times. If this is 70% of the time, how many times did he flip the quarter total? Round to the nearest whole.
He flipped the quarter 57 times.
A student measures the mass of an object to be 325 g. After freezing, the new mass is 342 g. What is the percent change of the students calculation? State whether there is an increase or decrease. Round to the nearest tenth of a percent.
There is a 5.2% increase in the mass.
If a stereo is sold for $59.99, and Karen pays $64.19 for it when she checks out, what is the sales tax in the area? Round to the nearest tenth of a percent.
The sales tax is 7% in the area.
Name the simple interest formula and state what each variable stands for.
I = prt
I = interest
p = principal
r = rate
t = time