Answer:
-3/4
Step-by-step explanation:
change them to improper fractions
-5/2 - (-7/4)
now multiply -5/2 by two so the denominators are the same
-10/4 - (-7/4)
subtracting a negative number is the same as adding a positive number
-10/4 + 7/4
= -3/4
You have to subtract the degrees like in this picture:
I believe the answer is 2.222222222
A4 means the 4th number so it would be 17.
Let the amount of chocolate bars each child receives be x
X= 30/12
X=5/2
