5.1: Percents
What is 50% of 20?
10
What is the percent increase from 16 to 20?
25%
What is the percent decrease from 80 to 20?
75%
28(45 - 7)
1064
What does "of" mean in math?
Multiply/times
What is 10% of 64?
6.4
What is $450 increased by 12%?
Find the new amount:
$96 decreased by 24%
$72.96
Solve using your calculator:
1245 - 15 รท 3
1240
Give an example of a prime number.
Multiple answers
30 is 25% of what number?
120
You spend $55 at a restaurant, and you want to tip the waiter 22%. How much do you tip?
$12.10
If a PS4 that costs $249.99 is on sale for 20% off, how much does it cost now?
$199.98
Solve using your calculator:
52 - 32 = ?
16
Is pi a rational or irrational number?
Irrational
28 is what percent of 84?
33.3...%
You buy lemonade from the store for $0.29 per glass. Then at your lemonade stand, you sell the lemonade for $1.00 per glass. What is the percent markup?
244.8%
A shirt at Target originally cost $24, but now is on sale for $17. What is the percent discount?
29.16...%
Solve using your calculator:
What is 100 less than 53?
25
Solve for x:
2x - 7 = 21
x = 14
CMS raised 115% of their goal from a charity bake sale. If they raised a total of $920,what was their original goal?
$800
You spend $71.25 at Red Robin, and there is 7.2% sales tax. What is your new total?
$76.38
A water bottle is 15% off, and the original price is $25. How much will it cost if there is also a 7% sales tax?
$22.74
Solve using your calculator:
Square root of the product of 32 and 8.
16
How do you find the area of a triangle?
1/2(base * height)