Question

The scores of the first 6 competitors in a

contest have a mean of 28 points
When the 7th competitor is included the
mean decreases to 27 points.
How many points did the 7th competitor
score?

Answer 1

do u get it?
1. U need to find the total of first 6 competitors scores by multiplying 6 by 28.
2. Then, find the total of all 7 competitors scores by multiplying 7 by 27.
3. Then, just subtract the values.