Maddox has 4 boxes with 32 marbles in each box. He has 7 boxes with 18 shells in each box. If he gets 20 marbles from a friend, how many marbles and shells does he have?

Respuesta :

he has 148 marbles and 56 shells. I think I have that right, well im positive.
4x32=128 marbles + 20 marbles from a friend= 148 marbles.
7x18=126 shells 

He has 148 marbles and 126 shells