Percents Unit Review

Eli's Electronics has a 60-inch television on sale this week for $798.  The television is regularly priced for $1,050.  By what percent did the price of the television decrease?

• $252
• 76%
• $2,520
• 24%

Seventy-five percent of the girls in Ms. Thompson's class own a smart phone compared to 62.5% of the boys.  If there are 20 girls and 8 boys in Ms. Thompson's class, how many students own a smart phone?

• 15 students
• 5 students
• 20 students
• 21 students

Seventy-five percent of the girls in Ms. Thompson's class own a smart phone compared to 62.5% of the boys.  If there are 20 girls and 8 boys in Ms. Thompson's class, what percent of the students in Ms. Thompson's class own a smart phone?

• 71%
• 75%
• 62.5%
• 48%

Marina's bill for dinner totals $38.65, including tax.  She leaves 20% tip.  If she pays with a $100 bill, how much change will Marina receive?

• $46.38
• $53.62
• $7.73
• $41.35

Vicky made some purchases at the Sunflower Market.  She bought strawberries for $3.50, carrots for $2.25 and a bouquet of flowers for $9.95.  If sales tax is 5%, what will Vicky pay altogether?

• $16.49
• $20.70
• $7.85
• $15.70

Sugar-free gum contains 40% less calories than regular gum.  If a piece of regular gum contains 40 calories, how many calories does a piece of sugar-free gum contain? (use proportions)

• 16 calories
• 56 calories
• 24 calories
• 64 calories

• $15.00
• $22.50
• $127.50
• $135.00

Which is the best incentive for buying the cell phone, and how much will Rafael save?  
Cheap cell is $150 plus a 15% instant rebate.
Cells for Less, Regular Price: $150; Sale Price: $125.

• Cheap Cell has the better incentive; a savings of $25.00
• Cells for Less has the better incentive; a saving of $22.50
• Cheap Cell has the better incentive; a saving of $22.50
• Cells for Less has the better incentive; a saving of $25.00

Neal purchases a digital camera for his family to use on their vacation.  The model he purchases is on sale for $129.  The sales tax rate for his city is 7.5%.
How much sales tax does Neal pay on the digital camera?

• $0.97
• $7.50
• $9.68
• $17.20

Neal purchases a digital camera for his family to use on their vacation.  The model he purchases is on sale for $129.  The sales tax for his city is 7.5%.
What is the total cost, including tax, for the digital camera Neal purchases?

• $146.20
• $129.97
• $136.50
• $138.68