Ratios, Percents & Interest Rates

Find the total amount of interest if interest is compounded annually (once a year). Principle of $2750 at 8% for 2 years. (round to the nearest cent)

• $220.50

• $457.60

• $660.60

• $237.60

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CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

The simple interest formula is i = P r t

What does the t represent?

• Principle

• Interest Rate

• Number of times interest is compounded

• Number of years

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CCSS.HSA.SSE.A.1

Calculate the Simple Interest:

Principle : $350

Interest Rate : 2.5%

Time : 3 years

• $7.50

• $26.25

• $87.50

• $262.50

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CCSS.HSA.CED.A.1

The simple interest formula is i = P r t

The P represents the principle. Principle means . . .

• the amount of money borrowed or deposited

• the percent interest for this year

• the amount taxed

• the amount the bank awards you for being a customer at their bank

Tags

CCSS.HSA.SSE.A.1

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1350
• $1392

Tags

CCSS.7.RP.A.3

Write the decimal as a percent: 0.37

• 37%

• 3.7%

• 0.37%

• 370%

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CCSS.7.RP.A.2

CCSS.7.RP.A.3

Daniel has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, he wants to leave a 20% tip. What is his total bill including tip?

• 33.60

• 40.00

• 24.60

• 30.50

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CCSS.7.EE.B.3

CCSS.7.NS.A.3

CCSS.7.RP.A.3

How much tip should you leave if you want to tip 23% at Applebee's on a $27.31 bill?

• $6.28

• $33.59

• $21.03

• $7.50

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

There are 75 students in the school band.  45 students play woodwind instruments.  What percent of students play woodwinds?

• 35%
• 60%
• 55%
• 70%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The middletown Zoo has 130 different exhibits.  Of those 130 exhibits, 30% of them contain birds.  How many exhibits contain birds?

• 49
• 39
• 60
• 25

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3