To know how far your values differ apart from the mean of the records
X + y = 20---- 1
x - y = 8----- 2
From 1+2
2x = 28
x = 14
Substitute x in eq.2
14 -y = 8
y = 6
Ans : x= 14 , y= 6
Answer:
16 runners
Step-by-step explanation:
you have to add up all the runners that are under 13 minutes. Which is, 8+6+2 = 19 runners
Answer:
40
Step-by-step explanation:
Use the ratio 5:3 to answer the question.
5 = made free throws
3 = missed free throws
If she misses 24 free throws, compare the ratios 5:3 to x:24 (you are solving for x)
24 divided by 3 is 8, so multiply 5 by 8
You would get 40