Financial Math Problem?

Question

Morgan invested $12 000 for 2 years at a simples rate of 10%

a) How much intrest will Morgan
b) How much money will Morgan have at maturity

2) For how long must $4000 be invested at 6.25% simple intrest to earn $875

Answer 1

a.) $2,520
b.) $14,520

2.)3.5 years

Answer 2

42