Jenny made $289 for hours 17 of work. at the same rate, how much would she make for 12 hours of work?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?