Percentage and Simple Interst

Percentage formula = ?

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Percentages can also be represented in decimal or fraction form, such as 0.6%, 0.25%, 1/4, etc...

• True

• False

What percentage is the same as 1/4?

• 40%

• 20%

• 25%

• 50%

Write 17% as in decimal.

• 0.017

• 17.0

• 0.0017

• 0.17

What percentage is the same as 0.75

• 3/4

• 75%

• 7.5%

• 1%

You have 30 marbles. If 12 of them are blue, what percent of the marbles that are blue?

• 10%

• 20%

• 40%

• 60%

What is the formula for Simple Interest?

• PNR/100

• PNR - 100

• PNR (100)

• PNR + 100

Tags

CCSS.7.RP.A.3

what is the Formula to find Compound Interest?

• C.I. = P(1+R⁄100)n − 1

• C.I. = P(1+R⁄100)n − P

• C.I. = (1+R⁄100)n − P

• C.I. = P(P+R⁄100)t − 1

Tags

CCSS.7.RP.A.3

(From the formula for Simple Interest) What does PNR stand for?

• P=Price, R=Rate of interest and N=Time duration (in years)

• P=Principal amount, R=Rate of interest and N=Time duration (in years)

• P=Percentage, R=Rate of interest and N=Networth

Tags

CCSS.8.EE.C.7B

If you are calculating the simple interest and you are given the time in months. How can you find the time in years?

• divide 12 by the months

• multiply 12 times the months

• divide the months by 12

• change the months to a decimal

Tags

CCSS.7.RP.A.3