3 postitive whole numbers have a mean of 6. What is the greatest possible range of the numbers?
15: (x+y+z)/3 = 6 so, x+y+z = 18.Range = highest number - lowest number. For the max range, at least 1 of the numbers must be 1. 1,1,16. 16-1 = 15
JW
Related Maths GCSE answers
All answers ▸Billy wants to buy 10kg of the same oranges. Type A comes in bags of 1.25 kg and costs £1.50. Type B comes in bags of 5kg and used to cost £6.60 but are now 15% off. Which type is more worth it for Billy and how much does it cost?
How do you divide mixed fractions? e.g. (1(1/5)) / (3/4)
Prove that the sum of two consecutive integers is always odd
A is (2,12) and B is (8,2). What is the midpoint of AB?