Easier than it looks, all you have to do is first subtract 13 from 299. You should get 286. Then, you just divide this number by two to get 143. Finally, since it asks for ZENA'S average, you add the 13 back to 143 to get the final answer of the average number of pins Zena took down, which is 156!
<span>A) 3 - The third sock will match the first or second if they don't match each other.
B) 14 - It's highly unlikely yet possible to remove all brown socks first, the next two would have to be black.</span>
Answer:
The total number of polo shirts is 50
Step-by-step explanation:
Let
x -----> the number of white polo shirts
y -----> the number of blue polo shirts
we know that
-----> equation A

------> equation B
substitute equation A in equation B and solve for y

<u><em>Find the value of x</em></u>

<u><em>Find the total number of polo shirts</em></u>
