.Chris and Brian were selling T-shirts for their school's basketball team .for every seven t-shirts Chris Sold, Brian Sold 5 t-shirts. together they sold 132 t shirts how many did each boy sell?

Respuesta :

let no. of shirts be x.
Chris -- 7x
Brian --- 5x

132x/(7x+5x) = 11
x=11

Chris sold (11 x 7) shirts = 77 shirts
Brian sold (11 x 5) shirts = 55 shirts