Answer: 12-5d
because all you do is flip the expression
Answer:
same
Step-by-step explanation:
We want to find a fraction that is between

There are several ways to go about this.
There are also infinitely many fractions that can be found between the given fractions.
Let us go for the one in the middle of the two fractions.
So we add the two fractions and divide by 2.
a) 
Find LCM for the numerator

Simplify:



b) 
c)
d)
Answer:
there are 15 families with kids and 10 families without kids.
Step-by-step explanation:
what you would do is divide 15 by 5 and then add 5 + 5 + 5 which would be 15. so there are 15 families with kids. to get the other one then you would add 5 + 5 which is 10