Fahrenheight to Celcius Could someone give me the easiest way to convert °F to °C, and vice versa?

Example: 64°F = _°C
95°F = _°C

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What properties allow transformation to be used as a problem solving tool

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?