Understanding Percentage Reductions and Bill Calculations

The video tutorial explains how to calculate a reduction in energy use by 18% for a company's electric bill. It presents two methods: a two-step process involving calculating 18% of the current bill and subtracting it, and a one-step process using 82% of the current bill. The tutorial demonstrates using percent equations and verifies the results with both methods. It concludes by evaluating if a reduced bill meets the success criteria.

What is the initial monthly electric bill of the company?

• $2,900

• $3,200

• $2,800

• $3,000

Tags

CCSS.6.RP.A.3C

What percentage of the current bill represents the target after reduction?

• 100%

• 18%

• 90%

• 82%

How can you convert a percentage to a decimal?

• Divide by 10

• Divide by 100

• Multiply by 100

• Add 10

What is the decimal equivalent of 82%?

• 82

• 8.2

• 0.82

• 0.082

Tags

CCSS.6.RP.A.3C

What is the reduced bill amount after an 18% reduction?

• $2,378

• $2,300

• $2,500

• $2,400

Tags

CCSS.6.RP.A.3C

How much is 18% of the original bill?

• $550

• $500

• $600

• $522

Tags

CCSS.6.RP.A.3C

What is the final bill amount after subtracting 18% from the original bill?

• $2,300

• $2,400

• $2,350

• $2,378

Tags

CCSS.6.RP.A.3B

What is the reduced bill amount that would be considered a success?

• Exactly $2,400

• Exactly $2,500

• Less than or equal to $2,378

• More than $2,378

Tags

CCSS.4.OA.B.4

Is a bill of $2,320 considered a success?

• Yes

• No

• Maybe

• Not enough information

Tags

CCSS.6.RP.A.3C

What is the minimum percentage reduction required for success?

• 18%

• 20%

• 15%

• 10%

Tags

CCSS.6.RP.A.3C