8. Exemplar example problems III

1. A farmer has a field of area $49 \frac{4}{5} \ ha$. He wants to divide it equally among his one son and two daughters. Find the area of each one's share. ($ha$ means hectare; $1$ hectare $=$ $10,000 \ m^2$) 

 

Each share $=$  $ha$

 

2. The product of two rational numbers is $-7$. If one of the number is $-10$, find the other.

 

The other number $=$ $\frac{i}{i}$