Answer:
The options provided do not have the correct answer. Read below.
Step-by-step explanation:
Given a 10 by 10 grid model means that there are exactly 100 individual squares present. This shows that each square is equal to 1%.
None of the options provided gives us 12% of the model.
The first option results in 50%, the second results in 5%, third option results in 0.5% and the last option results in 2%.
For 12% we can shade 12 squares completely, half of 24 squares etc.
I hope this answer helps.
Answer:

Step-by-step explanation:
Eleven and seven-hundredths 
(Here,
denotes the hundredth)
Four and twenty-five hundredth 
Therefore,
Sum of Eleven and seven-hundredths added to four and twenty-five hundredth = 



Answer:
8× (8 times)
Explanation:
For this question, divide.
72 ÷ 9 = 8.
Your answer will be 8.