Answer:
72 cupcakes
Step-by-step explanation:
Morgan can make 4 cupcakes with one cup of flour. She has 18 cups of flour and suppose she can make x cupcakes, then
1 cup of flour - 4 cupcakes
18 cups of flour - x cupcakes
Write a proportion:

Cross multiply:

Answer:
when you are measuring the size, length of something.
Hello there!
|a - b| - |c + d|
|-5 - 4| - |1 +(-3)|
=|-5 - 4| - |1 - 3|
= |-9| - |-2|
Solve for the absolute value
= 9 - 2
= 7