Ratios
What are the three ways you can write a ratio?
A fraction, a colon, and the word "to"
When setting up a tax, tip, discount question, where does the original price of the item go?
What type of math do you use to solve a Unit Rate problem?
Division
When solving a proportion, the two steps (after setting it up correctly) are:
-Multiply diagonal
-Divide that answer by the number you haven't used yet.
top: is (part)
bottom: of (whole/total)
4:1
$1.50
Apples are being sold for 5 for $4. Find the unit rate.
**Make sure you have your label included!
$0.80 per apple
Solve:
70 = ____
40 90
157.5
What is 85% of 38?
32.3
There are 10 cats and 12 dogs. Write a ratio of dogs to total animals in fraction form.
12/22
$18.51
The car gets 294 miles on 15 gallons of gas. Find the unit rate. Be sure to label correctly.
19.6 miles/gallon
The bakery bakes 300 scones in 8 hours. At that rate, how many scones can they bake in 3 hours?
*A decimal answer is fine
112.5
78 is 22% of what?
*round to tenths place
354.5
There are 19 people in the class, and 11 of them are wearing long pants. Write a ratio of the number of people wearing shorts to total people in word form.
8 to 19
You're buying a new coat. The coat's original price is $56.91. Luckily, there's a 15% off sale in the store. How much will your total be after the discount and the 7.5% tax on the item?
$52.00
Which is the better deal & how much does it cost per oz?
-Lays chips: $4.89 for 24 oz
-Ruffles chips: $3.75 for 20 oz
Ruffles: 19 cents per oz
On the map, the scale is 1 inch for every 275 miles. If the two cities are 3.5 inches apart on the map, how many miles are they from each other in real life?
962.5 miles
The metal bar is made up of 27% iron. If the bar has 13 grams of iron, how much does the bar weigh? Round to the nearest hundredth.
48.15 grams
There are 58 total M&Ms. Out of those, 32 of them are Peanut M&Ms and the rest are regular M&Ms. Write a ratio in colon form of regular M&Ms to Peanut M&Ms in simplest form.
13:16
You're going out to eat with your 2 friends. When the check comes, it says your total is $109.80. You want to leave your server a 20% tip. If you split the total evenly, how much do each of you owe?
$43.92
Store A has Cheetos on sale for $4.76 for 32 ounces. Store B has Cheetos on sale for $3.89 for 28 ounces. Which store has the better deal, and how much less is that store's price?
Store B. One cent per ounce cheaper.
During the interval workout, it tells you to run 8.5 minutes for every 7.3 minutes you walk. If you want to run for a total of 70 minutes, how many minutes will you need to walk? Round your answer to the nearest hundredth.
60.12 minutes walking
The neighborhood had 19 families with a bulldog. These families account for 71% of the dog owners in the neighborhood. How many people own dogs? Round your answer to the tenths place.
26.8