If jane works h hours a week for $15 per hour and get a base pay of $6 for coming to work, while tim works h hours a week for $12.50 with a base pay of $16 for coming to work, when will jane and tom make the same amount?

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?