Discounts & Markups
A coat is on sale for 65% of the original price of $58. Calculate the sale price.
The sale price is $37.70
Approximately $7.50
Jared’s monthly income is $4500. Jared spends 11% of his monthly income on groceries. Calculate the amount Jared spends each month on groceries.
Jared spends $495 on groceries.
Products at a clothing store cost less online than they do in the store.
In the store, an item costs $60.00. Online it costs $48.00. Define variables and write an equation for this situation.
Let P represent the online price, and
S represent the store price.
P = 0.8S
Determine each percent increase or decrease. Original: $340 New: $34
The $149.99 cell phone Charmange purchased was on sale for 15% off. What amount did Charmange save?
Charmange saved $22.50
Estimate (using our tip tricks) a 15% tip for a bill of $134.82.
Approximately $20.25.
Jared’s monthly income is $4500. Jared spends 11% of his monthly income on groceries.
Jared spends $185 each month on his car payment. What percent of his monthly income does Jared spend on his car payment?
Jared spends about 4.1% of his income on his car.
The equation for Texas Sales Tax is
y = 1.065x
What do y and x represent?
y represents the price with tax
x represents the original price
Lyndi has started a home business making and selling all natural goat milk soaps.
If the cost of the materials for a basic bar of soap is $2.50 and Lyndi sells each bar of soap for $4.50 what is the markup percent?
Lyndi marks up the soaps by 80%
Keenan purchase an HDTV that is normally $949 but is discounted to $499. What percent of the original price does Keenan pay?
Keenan pays 53% of the price.
At Pizza Hut, your bill was $15.97 plus tax. Give each tip amount shown (Exactly!)
10% AND 20%
$1.60
$3.20
You put $150 in the bank at a 3% interest rate for 4 years. How much interest did you earn?
$18.00
A realtor makes 6% commission on each sale. a b c Define the variables and write an equation to represent the relationship between the price of a home and the commission received.
Let p represent the price of a house, and let c represent the commission the realtor earns.
c = 0.06p
Lyndi has started a home business making and selling all natural goat milk soaps.
Lyndi sells intricately shaped holiday soaps for $9 each. After each holiday, she marks the related soaps down to $6.75. What percent discount should she advertise on her social media site?
She should advertise 25% off for her sale.
LaDonna paid $110 for a computer tablet that was 75% of the original price. What was the original price?
The original price was $146.67.
You always tip 22%, and you have a $5 bill you want to tip someone with. What is the most expensive thing you can buy and still tip 22%?
$22.73
You put $520 in the bank, and left it for three years. At the end, you had a total of $551.20. What is your interest rate?
2%
Sales tax in a state is 5%. If someone paid $193.20 including tax for something, what was the original price?
$184.00
A car that costs $14,000 without tax costs $14,700 with tax. What is the sales tax percent?
The sales tax percent is 5%.
Shoes that usually cost $124.95 are on sale for $87.46. What percent off are they?
The shoes are approximately 30% off.
After eating at your favorite restaurant, you know that the bill before tax is $52.60 and that the sales tax rate is 8%. You decide to leave a 20% tip for the waiter based on the pre-tax amount. How much will the total bill be, including tax and tip? Show work to support your answers.
At an interest rate of 4%, after 5 years you have earned $70.00 in interest. What did you start with?
$350
Gloria was shopping for new shoes at a store near her home. On the shelf where she found the shoes she wanted, she saw two signs. The first one read, “Clearance: 18% off.” The second one read, “$12 off—Instant Savings.” The original price of the shoes was $75.00. Gloria lives in Oregon, where there is no sales tax.
Which option is better: doing the 18% discount first or the $12 discount first? For the better option, write the final price.
$49.50 (18% applied first)
Greg rounded an answer on his calculator to 20. The exact number on his calculator was 19.72.
What is the percent error of Greg’s rounded answer? Give your answer to the nearest tenth of a percent.
1.4% error