Fraction Mix
Fractions are the same as doing...
DIVISION
Percents are out of how much?
100
Increase 544 by 12%
$609.28
What is a variable?
A letter that represents a number or value.
Fractions can be converted (changed) into
_____________ and _____________.
decimals and percents
Define the following:
Commission
Discount
Tax
Tip
Commission: Percentage of money the seller makes from (out of) selling something.
Discount: Percentage of money taken off (subtracted) from the original sales price of something.
Tax:Additional money added to the sales price that the government collects.
Tip: Additional money to the cost of a service.
You just bought ice cream for the entire grade! The bill was $2,150 and you have to leave gratuity (tip). At this store gratuity is 9% of the bill.
What is your bill for 7th grade ice cream?
$193.50 +$2150.00= $2343.50
How do I convert (change) a MIXED fraction into an IMPROPER fraction?
Ex. 3 1/2 becomes 7/2
Multiply DOWN (Whole number X Denominator), then Add UP. Keep the denominator the same!
A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour.
What is Elena’s running speed? Include the unit of measure MPH (Miles per Hour)
5 MPH
Everything in a store is 20% off today!
The discounted price of a hat is $18. What is the original price?
Hint: Create a word problem equation and then plug in the numbers you have!
$22.50
M.A.C is having a 42% flash discount sale! What is the price of a lip liner with a $31 dollar sales price after the discount?
$17.98
How do you find a percent of a number?
First turn the percentage into a decimal. Then multiply the decimal and the number to find the percentage.
Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm.
Which of these is closest to the percent error for Diego’s measurement?
A. 4.3% B.4.5 % C.95.7% D. 104.5%
A. 4.3%
Tyler’s brother earns $12 per hour. The store offers him a raise—a 5% increase per hour. After the raise, how much will Tyler’s brother make per hour?
After 3 hours?
$18 per hour and after 3 hours $54
How do you find what percent a number is out of a total?
What percentage of the original price is the markdown if a bike was $375 and now it is on sale for $295?
Markdown= $80
$80/$375= .2133 --> 21.3%
Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 3 loaves of banana bread.
Andre will follow the same recipe. He will make b loaves of banana bread using f cups of flour.
Write an equation that represents the relationship between b (loaves of bread) and f (cups of flour).
Hint:Create a table! Find the unit rate for b:f (loaf of bread:cups of flour)
b=5/2f
Lin’s father is paying for a $20 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied.
What does Lin’s father pay for the meal? Explain or show your reasoning.
$18.19
First we have to find how much money the discount takes off, which is $3. The meal was $20, so after the discount it is $17, but there is a tax on top of this. I multiplied .07 and the $17 meal to find out the tax. I added the $1.19 tax to the discounted amount $17 and got $18.19.
The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?
60% MARKUP
Draw a tape diagram for the equation: Y= x+ 2/3x
..Draw Here..