Simple interest = P × r × t
Dave has a three–year college loan for $10,000. The lender charges a simple interest rate of 6 percent. How much interest will he have to pay?

In what organelle does photosynthesis take place?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

The sum of four times a number and three is two times the number minus twenty nine