Do you have a photo, what tells us that the unknown number is multiplied by 3?
V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr
52.9109 in pounds if that's what your asking.
Answer:
(0,6) or 6
Step-by-step explanation:
To find the y-intercept look at the last variable you have, which in this case is 6. Glad to help :)
Can you re-phrase the question