Atv that usually sells for $169.84 is on sale for 30% off. if sales tax on the tv is 7%, what is the price of the tv, including tax?
a
$229.11
b.
$127.21
c.
$126.02
d.
$128.40

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?