Answer:
The mean increases and the median changes to 4.
Step-by-step explanation:
To find the mean. You need to add all of the numbers together then divide by how many numbers there are. The median is found by the middle number.
Answer:
im not sure bout it sorry mate.
Step-by-step explanation:
It won 5 and there were 7 races so 7-5 = 2 which means he lost 2 races so the win-lose ratio is 5:2 or 5/2
t = 9
multiply both sides by 5 to eliminate the fraction
3t + 3 = 30 ( subtract 3 from both sides )
3t = 27 ( divide both sides by 3 )
t = 9
