A recipe calls for 2 1/2 cups of flour for every 3 cups of sugar. If you want to make a larger batch and use 9 cups of flour, how many cups of sugar will you need?
Explain if the table of values below is proportional. If it is proportional, state the constant of proportionality.
No because there is not a constant rate when you divide the y values by the x values
Yesterday the high temperature in Buffalo, New York was 77°F. Today the high temperature is predicted to be 50°F. What is the percent of change in temperature to the nearest percent.