Question

If x and y are related as 3x+ 4y 20 and the quartile deviation of x is 12, then the quartile deviation​

Answer 1

Answer:

-4

Step-by-step explanation:

3x +4y =20

Putting x=12

3(12) +4y =20

36 + 4y =20

4y = 20 - 36

4y = -16

y = -16/4

y = -4