Question

as incentive for gretchen to save the 3000 she recently inherited her parents to tell her that they will pay her 15% . how much money will gertchen have after 3 years if she says alll the money she inherited

Answer 1

what you have to do here is find the interest in order to find interest you multiply the principal amount, $3000 by the percent (you have to turn the percent into a decimal) 0.15 then multiply that to the time 3 years so pretty much do this and tell me what you get
3000*0.15*3=

Answer 2

3000 * 0.15 * 3 =1350