Agroup of students surveyed chose baseball and soccer as their favorite sport in the ratio 3: 8. if 132 students were surveyed find the number of students that chose doccer as their favorite sport?

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?