Carol made 6 quilts and used 140 quilt squares to sew them. how many quilt squares will she need if she wants to make 9 quilts

Carol would need 210 quilt squares to make 9 quilts

6=140
9=??
9 x 140 divided by 6
1260\6=210
answer=210quilt squares 

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for