Percent of Increase/Decrease, Percent of Error, Simple Interest

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the approximate percent error?

• 21%

• 17.8%

• 17.4%

• 21.02%

Tags

CCSS.6.RP.A.3C

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

• $192

• $1350

• $1392

• $150

Tags

CCSS.7.RP.A.3

The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.

• fraction

• decimal

• ratio

• dollar amount

Tags

CCSS.7.RP.A.3

Michael spent $210 on school supplies and books. This amount was 30% of his savings. How much was his savings?

• $700

• $63

• $630

• $763

Tags

CCSS.6.RP.A.3C

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

Tags

CCSS.6.RP.A.3C

A population of 5000 increases by 10% in a year. What is the new population?

• 5500

• 6000

• 500

• 4500

Tags

CCSS.6.RP.A.3C

A store sold 150 items last month and 180 items this month. What is the percentage increase in sales?

• 20%

• 15%

• 25%

• 30%

Tags

CCSS.6.RP.A.3C

If a shirt originally costs $50 and is marked down by 20%, what is the new price?

• $40

• $30

• $45

• $35

Tags

CCSS.6.RP.A.3C

If a shirt originally costs $50 and is on sale for 20% off, what is the sale price?

• $40

• $45

• $10

• $35

Tags

CCSS.6.RP.A.3C

A painting cost $4,563 though over a span of 5 years increased by 500%. How much does it cost now?

• $41,000

• $27,378
  

• $31,000

• $27,386

Tags

CCSS.Math.Content.7.RP.A.3