Respuesta :

40 is the answer for the blank

30/36 = x/48

using cross products

30*48 =x*36

divide by 36

30/36 * 48 =x

factor out a 6/6

5/6*48 =x

factor out a 6/6

5/1 * 8 =x

x=40

30/36 = 40/48