Ratios and Proportions Problems

The video tutorial covers various math problems involving ratios, unit rates, and proportions. It includes examples like calculating the correct ratio of questions answered on a test, creating double number lines for chocolate milk recipes, determining costs for tacos and candy bars, and solving problems related to car mileage, bracelet ratios, and groupings of chaperones and kids. The tutorial also explores equivalent ratios, mixtape sales for profit, and balloon color ratios.

What is the simplified ratio of questions Chris answered correctly to the total number of questions?

• 4:5

• 2:3

• 5:6

• 3:4

If Janet uses 4 cups of milk, how many teaspoons of cocoa should she use to maintain the same taste?

• 5 teaspoons

• 6 teaspoons

• 7 teaspoons

• 8 teaspoons

How much would 7 tacos cost if 4 tacos are priced at $10?

• $22.50

• $17.50

• $15.00

• $20.00

What is the cost of one candy bar if 3 candy bars cost $3.81?

• $1.27

• $1.50

• $1.75

• $2.00

How many teaspoons of cocoa does Beth use for 6 cups of milk?

• 11 teaspoons

• 8 teaspoons

• 9 teaspoons

• 10 teaspoons

How many miles can Scout's car drive on one gallon of gas if it can drive 480 miles on 15 gallons?

• 30 miles

• 34 miles

• 28 miles

• 32 miles

What is the ratio of red to black bracelets if Melanie has 4 red and 8 black bracelets?

• 3:4

• 2:3

• 1:2

• 1:1

If the ratio of blue to green blocks is 5:11, how many green blocks are there in a total of 192 blocks?

• 144

• 132

• 156

• 120

Which of the following ratios is equivalent to 12:16?

• 3:4

• 15:20

• 6:8

• 9:12

How many green balloons are there if a bag contains 80 balloons with a 15:1 ratio of green to purple?

• 60

• 75

• 65

• 70