Answer:
(2, 3)
Step-by-step explanation:
2x + 5y = 19
5y = -2x + 19
y = 
P(abscissa, ordinate)
P(x, 1.5x)
P(2, 3)


3 = 15/5
3 = 3
Solution:
Given the mean and standard deviation;

The z-score formula is;

(a)

(b)

(c)
2,400
20% of 3,000= 600
3,000 - 600= 2,400