Rectangle: P = 2 (L+W) but length is 2 meters longer than wide then L = W + 2, So P = 2 (L + W) 24 = 2(W+2+W) 24 = 2 (2 + 2W) 24 = 4 + 4W So 4W = 24 -4 =20 W = 20/4= 5, L = 5+2= 7
30% just means 30/100 which can be simplified to 3/10. In order to find the number of hits you just need to multiple .3 by the total attempts, being 240, which comes out as 76.