12-14
Solution:
Mangoes = 440
Families = 20
Shared Mangoes = Mangoes/Families
Shared Mangoes = 440/20 = 22
Final Answer: 22 Mangoes shared to the Families
15-17
Solution:
Bills(Change) = 1000
Bills(Constant) = 20
Received 20 peso Bill = Bills(Change)/Bills(Constant)
Received 20 peso Bill = 1000/20 = 50
Final Answer: 50 peso bills is exchanges
18-20
Solution:
Twice a number = 2x
2x + 8 = 52 ------> Move 8 to right and change sign.
2x = 52 -8
2x = 44 --------> Now divide both side by 2
2x/2 = 44/2
x = 22
Final Answer: The number is 22
