You and two friends pay $40 for tickets. The cost was divided 3 ways in the ratio 1 : 3 : 6. How much did each person pay?

Respuesta :

Total units= 1+3+6
                =10
10 units= $40
1unit= $40/10
        = $4
Person 1= $4 x 1
              = $4
Person 2= $4 x 3
               = $12
Person 3=$4 x 6
               =$24