Convert between decimals and percents
Convert 0.65 to a percent
65%
A cake contains 400 calories, with 150 calories coming from fat. What percent of the calories are fat?
37.5%
What is the total including tip of a meal that costs $13. You pay a 20% tip.
$13 + 2.60 = $15.60
40% of students move out of Anchorage when they grow up. If there are 500 students, how many want to leave Anchorage?
200
Convert 80% to a decimal
0.8
Of the 600 students in school, 32% like to swim in the ocean. How many don't like to swim in the ocean?
408 students don't like to swim in the ocean
Find the cost including tax for a snack that costs $2.45. The tax rate is 8.5%. Round to the nearest cent.
$2.45 + $.21 = $2.66
Mrs. Zymroz bought a painting for $1000. It was appraised on Antique Roadshow for 167% of that cost. What is the value of the painting, according to the TV show?
$1,670
Convert 7.75% to a decimal
An $80 coat is on sale for 25% off.
How much would you save on the coat?
How much do you pay for the coat?
Save $20
Pay $60
Mr. Mazzotta bought a new iPad for $950.13. Tax on the iPad is 11%. What is the cost with tax?
$950.13 + 104.51 = $1,054.64
What if only 0.5% of all statistics are true? In a book of 1,400 statistics, how many might be true?
7 statistics are true
Convert 1.37 to a percent
137%
In a voter poll the candidate learned that of 320 people polled 208 would vote for the candidate. What percent would vote for the candidate?
65% would vote for the candidate
Danisha gets a burger, fries, and milk shake for $13.27. She tips 15% and tax is 8.5%.
Name the amount of the tax AND the amount of the tip.
Do not list the total amount.
Tip is $1.99, tax is $1.13.
A store paid $75.29 for a couch. To make a profit, the store charged 270% of the cost. What is the price tag the store puts on the couch?
$203.28
Convert 0.5% to a decimal.
What is 0.005
Your meal cost $15.50 and you elect to leave a 15% tip. What is the total cost of your meal?
$15.50 + 2.33 = $17.83 in total
Benjamin Banneker, the famous mathematician, went out to a fancy dinner. The dinner cost $89.67. He tipped the waiter 20% and tax was 5%. What was the total including tip and tax?
$89.67 + 17.93 + 4.48 = $112.08
Josh flips a quarter 20 times. It falls on tails 30% of the time. How many times does it fall on heads?
14 heads