ANSWER
Transitive property of equality.
EXPLANATION
According to the transitive property of equality,
if
a=b and b=c, then a=c.
Therefore,
if x=y and y=10, then x=10 is an example of transitive property of equality.
Answer:
answer is D
Step-by-step explanation:
12+1/2=12.5 12+2/5=12.4
It is neccesary because you cannot subtract them without having a common denominator so you have to rename 4 1/2
