Answer: Option C
, 
Step-by-step explanation:
If the lines m and n are parallel then the large triangle and the small triangle are similar triangles, because they have equal angles.
By definition for similar triangles it is satisfied that if they have sides of length a, b, c and a', b', c' then:

In this case

So:

Now solve the equation for the variable y



We know that
and 
Then


Finally the answer is:
, 
Answer:
7/50 (also 18% if u need it)
Step-by-step explanation:
18/100 ----- 7/50
Hope this helps!
Firstly you do: 28 divided by 7 (amount of children in ratio) this gives you 4. Then you multiply 4 by 2 to get the amount of adults. Your answer should be 8 adults.
Answer:
(1,-5)
Step-by-step explanation: