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 ▸Solve the simultaneous equations 2x + 3y = 4, 3x + 6y = 3
A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.
Solve the following pair of simultaneous equations: 5x+2y=8 and 2x+y=7
A ball of mass m is thrown with velocity of (7i + 4j) m/s from a height of 1m. After some time it hits the ground. Find the: a) ball's maximum height b) speed it hits the ground c) distance travelled