Answer:
D
Step-by-step explanation:
3x/4=15. Times both sides by 4, 3x=60. Divide both sides by 3, which then x=20.
Times all the sides together
So we are given two points, say P1(4,7), P2(x,19).
Slope is given by
m=3=(y2-y1)/(x2-x1)=(19-7)/(x-4)
solve for x
3=(19-7)/(x-4)
cross multiply
3(x-4)=12
3x-12=12
3x=12+12=24
x=8
Well, you don't have any options.
But a mixed number for 12.16 would be 12 4/25. Hope it helps! :)
