Three gallons of paint are used to paint 16 wooden signs. how much paint did each sign use. between what two whole numbers does the answer lie?

 Given Question: Three gallons of paint are used to paint 16 wooden signsNow, let's solve how much paint did each sign use and between what two whole numbers does the answer lie?=> 3 gallons of paints : 16 wooden sign.First let's identify how many gallons of paints will it needs to be able to paint a single wooden signs.=> 3 gallons / 16 wooden signs = 0.19 gallons of paint per wooden sign.For the second question, i don't know what you mean. 

20y5 times 2 is 1010 times -2 is -20, plus y