Respuesta :
900-190= 710
710/40= 17.75
17 (or 18, but I would choose 17 if I were you)
710/40= 17.75
17 (or 18, but I would choose 17 if I were you)
190+40x=900
40x=710
x=17.75
They can only bring up 17 boxes at a time because even though the elevator can handle another 30 pounds that is not the weight of another full box.
40x=710
x=17.75
They can only bring up 17 boxes at a time because even though the elevator can handle another 30 pounds that is not the weight of another full box.