the box of cookies
if u have 5 cookies in one box and you get 4 dollars for each box how many much money do u get if you sell 7 cookies ?
5 cookies => 4 dollars
1 cookie => 1.25 dollars ( 5 : 4 = 1,25)
7 cookies => 8.75 dollars (1.25*7=8.75)
\(x=\frac{5*7}{4}\)