Writing Ratios
A box of crayons has 5 reds, 2 blues, 3 yellows, and 4 greens.
Write the ratio of Blues : Green (Do not simplify)
2:4
2 : 3 = ___ : 12
8
A cyclist travels 36 miles in 3 hours. How many miles does the cyclist travel per hour?
12 miles per hour
A chef uses 12 cups of flour to make 4 loaves of bread. How many cups of flour are needed to make 7 loaves of bread?
21 cups
Brand A: A 12-ounce bag of pretzels costs $3.60.
Brand B: An 18-ounce bag of pretzels costs $4.86.
Which brand is the better buy and how much does it cost?
Brand B - $0.27/oz
A box of Lucky Charms has the following number of marshmallows: 15 unicorns, 23 shooting stars, 22 horseshoes, 9 rainbows.
Write the ratio of rainbows, unicorns, and shoot stars. (Do not simplify)
9:15:23
4 : 3 = ___ : 30
40
A bakery sells a pack of 6 muffins for $12. What is the unit price per muffin?
$2 per muffin
A car travels 180 miles on 6 gallons of gas. At this same rate, how far can the car travel on 11 gallons of gas?
330 miles
Store A: Sells a 10-pack of juice boxes for $4.50.
Store B: Sells a 24-pack of the same juice boxes for $9.60.
Which store is cheaper and by how much?
Store B by $0.05
A farm has cows, sheep, horse, cats, and chickens. The ratio is 15:5:6:2:29.
How many cats are there?
2
12 : 17 = ___ : 68
48
Sam completed 10 math problems in 5 minutes. How many minutes did it take Sam to solve one problem?
0.5 minutes per math problem
An industrial printer prints 80 pages in 5 minutes. How many minutes will it take the printer to print 220 pages?
13.75 minutes
A sports team needs to buy socks. Which deal offers the lowest cost per pair and what is the cost?
Option 1: 3 pairs for $7.50
Option 2: 8 pairs for $18.40
Option 3: 5 pairs for $12.00
Option 2 - $2.30/pair
A post office delivers postcards, envelopes, letters, packages. They delivered 120, 230, 500, 230.
Find the Packages : Total
230 : 1080
___ : 15 = 18 : 3
90
An art class painted 8 identical decorative walls with 2 gallons of paint. How many gallons of paint were used for each wall?
0.25 gallons per wall
A school art teacher buys 15 boxes of colored pencils for $48.75. How much will the teacher pay if they need to order 24 boxes at the same unit price?
$78.00
A tennis coach needs to stock up on tennis balls. How much more expensive is the cheapest option compared to the most expensive?
Store X: 3 balls for $4.20
Store Y: 8 balls for $10.40
Store Z: 15 balls for $18.75
Store Z vs Store X - $0.15
A paint store sells the following colors:
Red, yellow, green, blue, purple, pink, black, indigo, white. 3:4:2:14:2:7:9:1:3
Find the ratio of (Red, Pink, Purple) : Total
12 : 45
6 : ____ = 15 : 2
0.8
An elevator descends into a deep mine shaft at a constant rate of 15 feet every 2 seconds. What is the elevator's speed in feet per minute?
450 feet per minute
A community center uses two types of solar arrays to store backup electricity:
Array A produces 3/4 kilowatt-hours (kWh) of energy every 15 minutes.
Array B produces 1.2 kWh of energy every 20 minutes.
Which array produces more energy per minute and how much?
Array B - 0.06 kWh/minute
Option A: A 2-quart carton of milk costs $2.56.
Option B: A 12-fluid-ounce bottle of milk costs $0.96.
Which option is the better buy per fluid ounce and what is the cost? (Hint: 1 quart = 32 fluid ounces)
Option A - $0.04/fl oz