The graph shows the number of beads a jeweler uses to make bracelets. A graph with four points is shown. The x-axis is labeled Bracelets and goes from zero to five by a scale of one half. The y-axis is labeled Beads and goes from zero to eighty by a scale of ten. The points are located at the following coordinates: two comma thirty, three comma forty-five, four comma sixty, and five comma seventy-five.

Write a ratio to show the number of beads necessary to make one bracelet.

Enter the correct answers in the boxes.