Keisha is working on a math worksheet with 50 problems. she has completed 20 problems in 25 minutes. if she continues at the same pace, what will yhe total time be for her to complete the worksheet?

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?

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

50 points~ ! i have to turn this in tomarrow