The double number lines show the ratio of cups to gallons.
A double number line with 5 equally spaced tick marks. The line labeled Cups, reads from left to right: 0, three unlabeled tick marks, 64. The line labeled Gallons, reads from left to right: 0, three unlabeled tick marks, 4.
0
0
64
64
64
64Cups
0
0
4
4
4
4Gallons
A double number line with 5 equally spaced tick marks. The line labeled Cups, reads from left to right: 0, three unlabeled tick marks, 64. The line labeled Gallons, reads from left to right: 0, three unlabeled tick marks, 4.