Answer:
:D
Explanation:
First one, #6, it is D for the 20 fruit have to be split among the family members, or divided by it, which in this case is "f".
For #7, it is C, for a is 9.99 per unit, and s per unit is 0.99. To buy it, the prices will be added, together, after multiplying the variable and the cost per unit.
Hope you understand