You can tell that a fraction is a unit fraction when it is over a unit of one. This is also known as unit rate.
Step-by-step explanation:
-9×(-87)=783
783÷(-9)=-87
(4^8)w This is the answer
C = number of parents
c+9 = number of children
2c+9=25
2c=16
c=8
8 parents, 17 children
