If a line is measured at 6 units long, what would the proportional length be of a new image is the scale factor of 1: 1/3?

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

How do you use the elimination method for this question? explain, because i really want to understand!

What can you determine about the solutions of this system