Unit Rates
Percent of Change
Tax and Tip
100
What is always the denominator for a unit rate?
1
100
What is the first step in solving percent of change?
Subtract the original from the new
100
In metrhod 1- you find th discount. Then,___ the amount of tax to the price of the soccer ball to find the total price.
add
200
What is the unit rate if it cost $2 for 5 oranges?
40 cents for 1 orange
200
What is the proportion/ formual in finding the percent of change?
change(difference) % ---------------------- = ----- original 100
200
In method 2- you add the percent of tax to ___. Hint: This method is best to find the total cost.
100%
300
Lindsey painted 35 faces in 5 hours at her school fair. How many faces did Lindsey painnt per hour?
7 faces per hour
300
What is the percent of change of... Original: $10 New: $8
20% decrease
300
If you just finished your meal at Texas Road House and it is $21.36 with tax. Then you want to give them a 6% tip, what would the total cost be?
$22.64
400
How do you find the unit rate?
Cross multiply then divide
400
A pair of $195 boots is discounted 40%. A. How much is the price decrease? B. What is the sale price?
A. $78 B. $117
500
Lauren ran 24 miles in 4 hours. What was her average speed per miles? (Find the unit rate).
6 miles per hour
500
Find the percent of change then state whether it was a increase or a decrease. From 644 cars to 588 cars.
9% decrease
500
Find the total price of a soccer ball that cost $17.75 if the tax is 6%.
$18.82