Percentage Calculations and Applications

Mr. Reeves guides students through a module 5 quiz preparation on percents, covering percent increase and decrease, rewriting percent expressions, and real-world applications like commission and sales tax. The video emphasizes understanding percent change, using variables for percent expressions, and applying these concepts in practical scenarios.

What is the percent increase when a value changes from 36 to 63?

• 25%

• 75%

• 100%

• 50%

If an item's original price is $60 and it has a markup of 15%, what is the new price?

• $69

• $75

• $60

• $68

If a product's price is marked down by 22% from $50, what is the new price?

• $39

• $45

• $40

• $50

How do you convert a percentage to a decimal for calculations?

• Move the decimal two places to the left

• Divide by 10

• Move the decimal two places to the right

• Add a zero at the end

Meiling earns a weekly salary of $325 plus a 6.5% commission. How much does she earn if she sells $4800?

• $325

• $500

• $637

• $480

What percent of Raymond's earnings are spent on electricity if he earns $1735 and pays $53.10 for electricity?

• 3.1%

• 2%

• 5%

• 10%

If Priya makes 20% more than James who earns $7 per hour, how much does Priya earn?

• $7.50

• $7.20

• $9.00

• $8.40

Siobhan makes 5% less than Priya. If Priya earns $8.40 per hour, how much does Siobhan earn?

• $7.98

• $8.00

• $8.20

• $7.50

The Who family goes out for lunch, and the meal costs $45 with a 6% tax and a 20% tip. What is the total cost?

• $56.70

• $50.00

• $60.00

• $55.00

What is the total percentage increase when a meal costs $45, with a 6% tax and a 20% tip?

• 20%

• 25%

• 30%

• 26%