So much you're a lifesaver : ) (question 4 has more answer if you come up with something else)

I believe Question 3 is D. p = q

And Question 4 should be 60.  Hope this helped!

-TTL

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it