Real-World Applications of Ratios and Rates

The video tutorial covers various mathematical concepts including decimal addition, equivalent ratios, unit price calculations, and unit rates. It also includes practical applications such as comparing bike race speeds and hourly wages using equations. The tutorial concludes with a cup stacking contest analysis, emphasizing the importance of constant rates and equations.

What is the sum of 14.5 and 89?

• 105.5

• 102.5

• 104.5

• 103.5

Which of the following ratios is equivalent to 24:6?

• 8:2

• 12:3

• 4:1

• 1:3

If 4 pounds of apples cost $3.48, what is the cost per pound?

• $0.87

• $0.85

• $0.90

• $0.81

For 6 pounds of apples costing $4.86, what is the cost per pound?

• $0.87

• $0.85

• $0.81

• $0.90

In a paint mixing ratio of 1:2, how many cups of red paint are needed for 3 cups of blue paint?

• 4

• 5

• 6

• 3

If Mrs. Seipel reads 3/4 of a book per day, how many books does she read in 4 days?

• 3

• 2.5

• 3.5

• 2

How many miles per hour does Brian travel if he covers 75 miles in 3 hours?

• 20 mph

• 25 mph

• 30 mph

• 15 mph

If Shanice wants to beat Brian's speed of 25 mph, what should her speed be?

• 30 mph

• 26 mph

• 25 mph

• 24 mph

How many cups per second does Claire stack if she stacks 5 cups in one second?

• 4

• 5

• 6

• 3

If Kate wants to stack faster than Claire's 5 cups per second, what should her rate be?

• 7 cups/sec

• 6 cups/sec

• 5 cups/sec

• 4 cups/sec