One of the giraffes, Bernard, is sick. Last week he weighed 2,490 pounds. This week he weighs 2,312 pounds. If w represents the
amount of weight lost, use the bar diagram to write an equation and find the amount of weight Bernard lost. A bar diagram. The top bar contains 2,490 and the bottom bars contain 2,312 and w.
When finding the mean you should first add up all the numbers which are 12,2,8,6 and 57 which will give you a sum of 85 next you should divide your sum by how many numbers there are which is 5 and your answer should be 17