(X + .3X) / (X - 0.5X) = 1.3X/0.5X
1.3/0.5 = 2.6
2.6 x 100 = 260 %
20 percent of 40 is 8. As a fraction that would be 8/1.
Hope this helps
He has come from the hole in the roof because the text states that he did not come from a door, a window, or a chimney, and that is the only answer that was left.
85,000 milligrams is equal to 85 grams! :)