Josie had 1 gallon of ice cream. She used #3/10# gallon to make a chocolate milkshake and #3/10# gallon to make a vanilla milkshake. How much ice cream is left?

1 Answer
Mar 5, 2018

#2/5# gallon.

Explanation:

#3/10# gallon - chocolate shake

#3/10# gallon - vanilla shake

So

#3/10 + 3/10 = 6/10#

Now

#"1 gallon" \ - 6/10 \ "gallon"#

#= 10/10 \ "gallon" - 6/10 \ "gallon" = 4/10 \ "gallon"#

Simplified: #2/5# gallon