2. The three points you need to mark on this graph are (1,2) (2,3) and (4,5); you then draw a line through all of these points and determine whether the inches of rainfall is proportionate to the number of hours.
You mark those 3 points because at 1 hour, 2 inches of rain has fallen; at 2 hours, 3 inches of rain has fallen; and at 4 hours, 5 inches of rain has fallen
$45.50 ÷ 26% = $175
Total sales for the day is $175.
A ratio is basically a comparison between to scalar values.
6:11
6/11
6 to 11
Where you have 6 red marbles to the 8 white and 3 green marbles.