X and y are two numbers taken from the list: 5, 6, 7, 8, 9, 10 (i) work out the greatest possible value of 3x-2y
(ii) work out the least possible value of 3x-2y

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

Me because some of question i don’t understand

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?