A.60 percent or 9 out of 15 B. 40 percent or 6 out of 15
Just compare fractions.
$5.25/x = 8.5/100
Then multiple both sides by 100 and both sides by x;
525 = 8.5x
Divide both sides by 8.5
x ≈ $61.77
Answer:
Option B
Step-by-step explanation:
Given that the regression equation using least squares for test scores and student teacher ratio is
Test Score = 557.8 + 36.42 In (Income).
Say if 1% income is increased.
Let income be 100
New income = 101
Then we have
Test score original =

Test score new income
= 
Increase = 0.362~0.36
Option B is right.
Answer:
$6
Step-by-step explanation:
50 x 1.08 = 54
60-54=6