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Marc’s saving account pays interest at 3%/a compounded annually. If Marc has $2 575 in his account, how much will he have in 4 years? 

Using technology, find the interest rate if $275 grows to $450 in 4 years. The interest is compounded semi-annually. 

How much principal is invested at 8% simple interest for 5 years to earn $75 in interest? 

How much should Sally invest today so that $6 500 is available in 18 years? The investment earns 5.75%/a compounded semi-annually. 

Alan has a debt which will amount to $5 250 in 5 years. He is being charged interest at 9.5%/a compounded monthly. How much would Alan save by paying off the loan today? 

A principal of $385 is invested for 4 years at 4.5%/a compounded semi-annually. Determine the amount of the investment. 

How much should Sally invest today so that $6 500 is available in 18 years? The investment earns 5.75%/a compounded semi-annually. 

A principal of $385 is invested for 4 years at 4.5%/a compounded semi-annually. Determine the amount of the investment. 

What principal invested today at 4.6%/a compounded monthly will amount to $800 in 1.5 years? 

What principal invested today at 4.6%/a compounded monthly will amount to $800 in 1.5 years?