Decimals to Percents
Convert 0.25 to a percent.
25%
Convert 15% to a decimal.
0.15
Convert 25% to a fraction.
1/4
A jacket originally costs $80, but it’s now on sale for $60.
What percent discount did the store give?
Work:
Discount = 80 − 60 = 20
(20 ÷ 80) × 100 = 25%
Answer: The jacket is 25% off.
A restaurant bill is $36, and you want to leave a 15% tip.
How much is the tip, and what is the total cost?
Work:
Tip = 0.15 × 36 = 5.40
Total = 36 + 5.40 = $41.40
Answer: Tip = $5.40, Total = $41.40.
Convert 0.7 to a percent.
70%
Convert 82% to a decimal.
0.82
Convert 60% to a fraction.
3/5
A pair of shoes originally cost $120, but they are now $90.
What is the percent discount?
Work:
Discount = 120 − 90 = 30
(30 ÷ 120) × 100 = 25%
Answer: The shoes are 25% off.
A video game costs $45, and sales tax is 8%.
What is the total cost after tax?
Work:
Tax = 0.08 × 45 = 3.60
Total = 45 + 3.60 = $48.60
Answer: The total cost is $48.60.
Convert 0.045 to a percent.
4.5%
Convert 3.6% to a decimal.
0.036
Convert 12.5% to a fraction.
1/8
A shirt costs $40, and it’s on sale for 25% off.
What is the sale price?
Work:
25% of 40 = 0.25 × 40 = 10
40 − 10 = $30
Answer: The sale price is $30.
A pair of concert tickets cost $80 last year. This year, the price increased by 10%.
What is the new price?
Work:
Increase = 0.10 × 80 = 8
New price = 80 + 8 = $88
Answer: The tickets now cost $88.
Convert 1.2 to a percent.
120%
Convert 250% to a decimal.
2.5
Convert 75% to a fraction.
3/4
A pair of jeans costs $60, and the store is offering a 20% discount.
What is the sale price?
Work:
20% of 60 = 0.20 × 60 = 12
60 − 12 = $48
Answer: The sale price is $48.
A backpack costs $50, and it’s on sale for 20% off.
What is the sale price?
Work:
20% of 50 = 0.20 × 50 = 10
50 − 10 = $40
Answer: The sale price is $40.
Convert 0.008 to a percent.
0.8%
Convert 0.4% to a decimal.
0.004
Convert 40% to a fraction.
2/5
A pair of sneakers originally costs $120, and they’re on sale for 40% off.
What is the sale price?
Work:
40% of 120 = 0.40 × 120 = 48
120 − 48 = $72
Answer: The sale price is $72.
A coat costs $100 and is on sale for 25% off. After the discount, a 5% sales tax is added.
What is the final price?
Work:
Discount = 0.25 × 100 = 25
Sale price = 100 − 25 = 75
Tax = 0.05 × 75 = 3.75
Final price = 75 + 3.75 = $78.75
Answer: The final price is $78.75.