Question

Pleaseeee helppp meee

Answer 1

5) To find the answer we can set up a proportion (see image 1), then solve for x. 5 x 1000/100 = x
x = 50
The answer is 50. :)

7) Set up another proportion (see image 2), then solve for x again. 
100 x 100/25 = x
x = 400

Hope this helps! :)