Hello :
x : length y :<span> width
</span>xy = 50 ...(1)
x = 2y ...(2)
dubsct in (1) :
(2y)(y) = 50
y² = 25
y = 5
x = 10
You just do 40 times 0.825 and you will get your answer.
Answer:
20
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
The sample size wasn't big enough. It could only be a trend in that grade.