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Part or Base
Percent
Mental Math
Simple Interest
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100
What is 58% of 35?
20.3
100
What is 14/25 as a percent?
56%
100
What is 10% of 526?
263
100
What does I stand for in I = Prt?
Interest
100
What is Mrs. H's favorite food?
Chocolate
200
15 is what percent of 90?
What is 0.1666....
200
What is .27 as a percent?
27%
200
What is 50% of 120?
60
200
What must you do to the interest rate of 4% before you use it in the equation I = Prt?
Divide 4 by 100 to get the decimal 0.04.
200
How many degrees are in a circle?
360
300
32 is 40% of what number?
80
300
A percent is really like a fraction with what base or denominator?
100
300
What is a 20% tip on a $16.50 bill?
$3.30
300
What is the Interest on $400 saved with an interest rate of 3.5% for 6 years?
$84
300
How many degrees are in a half circle?
180 degrees
400
Write the equation or proportion you can use to solve these problems.
part/base = %/100 or part = % base
400
What is 42% of 87?
36.54 or 36.5
400
Describe the easiest what to find the 15% tip?
Answers will vary. One option is to average the 10% and 20% tips.
400
How much money do you have if you invest $1000 at a rate of 5.5% for ten years?
$1,550
400
If 54% of the student body likes Justin Bieber and there are 450 students, how many like Justin Bieber?
243
500
It costs Griffin $1 to make hot chocolate. WAMS wants to charge 125% of the cost so they can make a profit, how much will they charge?
$1.25
500
What is 150% of $60
$90
500
What is 25% of 64
16
500
How much interest do you owe if you have a loan rate of 3.5% on you $250 loan for 18 months?
$13.13
500
What is the percent change for a pair of pants that originally cost $30 but is on sale for $26?
13.33333...% decrease