Percent Increase Mrs. Kuznia Math 8 Day 13. Percent Increase Examples of Percent Increase: Sales Tax Mark up Tips (gratuity) Commission.

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Presentation transcript:

Percent Increase Mrs. Kuznia Math 8 Day 13

Percent Increase Examples of Percent Increase: Sales Tax Mark up Tips (gratuity) Commission

Procedure Use the same process as we did with percent decrease. Instead of SUBTRACTING…we will ADD!!!!

Example A $2500 TV with an 8% sales tax… How much is the tax? What is the ending price?

More Examples A $29 CD with a 7% sales tax…. How much tax did you pay? What was the ending price? A $ Camera with an 6% Tax

Gratuity A $32.50 bill from Applebee’s and you want to leave a 5% tip How much of a tip did you leave?

Example You go to Red Lobster and spend $ You want to leave a 15 % tip. How much tip did you leave?

What is Commission? Commission is a fee paid or earned when something is sold. To find commission, we do what we did to find tax, except we do not add at the end.

Example Pat sells a car for $25,000. He earns a commission of 5%. How much money did he earn?

Example Maria sells 12 CDs on the Internet for $150. She earns 8.5% commission. How much did she earn?