Draw a diagram to represent each of these situations. Then write an addition expression that represents the final temperature.
The temperature was 80°F and then fell 20°F.

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999

How do i i solve this equation? -18 = x/3 + 3