Appreciation and Depreciation

How much interest is added over ten years to an account paying 9% interest annually on an initial sum of $45800 if the interest is compounded quarterly?

• $111531.65

• $65731.65

• $41220

• $112272.15

The number of people in an Australian town increases by 1.1% annually. Its current population is 68000. What was the population 6 years ago? (Hint: simple interest!) Your answer should be in whole numbers.

Tags

CCSS.HSF-LE.A.1C

Calculate how much would need to be invested at 8% annually compounded each half-year to accumulate $9600 in six years.

• $5996.13

• $6049.63

• $5949.79

• $6486.49

Calculate the annual interest rate that would allow $7900 to accumulate to $9000 in 5 years if the interest is compounded quarterly. Round to the nearest hundredth.

After how many years will a $2400 sapphire ring be worth $8000 if it increases in value by 10.5% annually, compounded annually. Round to the nearest year.

Tags

CCSS.HSF.LE.A.4

$4245 compounded annually over 8 years with an annual interest rate of 6.5% will earn how much in interest?

• $2780.46

• $7025.46

• $2207.40

• $6452.40