How do you solve 3px=2q (r-5x) , solve for x ? ?

Match each inequality to the number line that represents its solution

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

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?