# The price of oil recently went from $8.10 t0$13.50 per case of 12 quarts. What is the ratio of the increase in price to the original pice?

Original price = $8.10 New price = $13.50
Increase in price = 13.50-8.10=$5.40 Ratio of the increase in price to the original price = $\frac{5.40}{8.10} = 0.67\$