Ok, I figured out the first one...
v= 5000 (1+0.5)^(1/8) = $5259.95 ; v= 5000(1+0.5)^1.75 = $10165.52
Still stuck on the second question...
1.) Money gains interest at a rate of 50% every 4 years. What is the value of $5,000 after 6 months? After 7 years?
2.) Bacteria double every 30 minutes. How much must you have now in order to have 5 million bacteria in 45 mins?
I don't know why, but these two are giving me trouble. I know you have to use them in the formula A = P(1+r)^t, but the conversions are throwing me off.
Can anyone help??