Ratios
Simplify the ratio 72:40
Brianna biked 70 miles in 3.5 hours. How many miles did she bike in one hour?
20 miles per hour
2/3 = x/27
x = 18
There are 600 students in a school. The ratio of boys to girls is 3:5. How many boys are in the school?
225 boys
List three equivalent ratios to 3:5.
6:10
9:15
12:20
etc.
Simplify the ratio 16:40
2:5
You can buy 4 calculators for $170. How much is one calculator?
$42.50 per calculator
1/2 = 49/x
x = 98
Austin and Dylan split $91 in a ratio of 4 to 3. How much money does each person have?
Austin = $52
Dylan = $39
A number of books were placed on bookshelves A, B, and C. There were 12 books on bookshelf A, 20 books on bookshelf B, and 28 books on bookshelf C.
Find the simplified ratio of books in A to the total number of books.
1:5
Simplify the ratio 40:56
5:7
Alex bought a smoothie that had 12 oz for $6.90. How much did the smoothie cost per ounce?
$0.58 per oz
x/3 = 24/36
x = 2
The ratio of the number of red pebbles to the number of blue pebbles to the number of green pebbles in a container is 2:3:5. There are 80 pebbles in the container. How many red pebbles are there?
16 red pebbles
An 8 ounce jar of nutella costs $6.48. How much does one ounce cost?
$0.81 per oz
A jar is filled with pennies and nickels in the ratio 5 to 3. There are 30 nickels in the jar. How many coins are there in total?
80 total
A plane travels 3,570 miles in 3 and a half hours, what is its speed?
1020 miles per hour
28/x = 7/9
x = 36
Olivia can read 22 pages in 30 minutes. How long would it take her to read a 100 page book?
136.4 min
Alex bought a smoothie that had 12 oz for $6.90. There are 450 calories in the smoothie. How many calories are in the smoothie per ounce?
37.5 calories per oz
In the basement there were 270 comic books, DC, Marvel ,and Dark Horse, in the ratio 3:4:2. How many Dark Horse comic books were there?
60 Dark Horse Comics
Trader Joes have three different types of hummus. What is the better deal?
$2.99 for 12 ounces
$4.25 for 16 ounces
$3.50 for 15 ounces
$3.50 for 15 oz is the best deal. It's $0.23 per oz, while the others are $0.25 and $0.27.
You can buy 3 apples at the Quick Check for $1.26. You can buy 5 of the same apples at Stop and Shop for $1.20. How much will you save per apple by going to Stop and Shop?
You save $0.18 per apple
My brother bought the Subaru Outback last year. The tank holds 18.5 gallons of gas. It cost him $42.18 to fill up his entire tank. How much does it cost per gallon?
$2.28 per gallon
What is the better deal?
Oreos $2.98 for 15.5 oz OR Chips Ahoy $2.50 for 14oz
Chips Ahoy - $0.18 per oz vs $0.19