Question

If y varies directly with x and y=20.4 when x=6, find the value of y when x=-5?
A. Y=17
B. Y=24.48
C. Y=1.47
D. Y=3.4

Answer 1

Answer:

y=-17

Step-by-step explanation:

y=mx

20.4=m×6

20.4÷6=m

3.4=m

y=3.4×-5

y=-17

Answer 2

Answer:

A. Y=17

Step-by-step explanation:

Hope this helps