Adrienne has 20 cups of flour she used 7 3/4 cups of flour for a batch of bread and 3 1/3 cups of flour for a batch of cookies how much flour did adrienne have left after she baked the bread and cookies

The answer to your question is:  8 11/12

Step-by-step explanation:

Data

Total cups = 20

cups used for bread = 7 3/4

Cups for cookies = 3 1/3

Process

Convert mixed fraccions to improper fractions

              7 3/4 =  

             3 1/3 =

Cups left = total cups - cups for bread - cups for cookies

Cups left = 20 -

Cups left =

Cups left =

Cups left = 8 11/12

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify