Nina will need 3 columns,3 rows and she will use 9 squares in all.
Hope that helped
Answer:
The error is: The solution shows the Sam's age and the problem asked for Micaela's age.
Solution fixed: 
Micaela is 17 years old now.
Step-by-step explanation:
The error is: The solution shows the Sam's age and the problem asked for Micaela's age.
To fix the error, you can set up these equations based on the information given:
Solve for "s" from the first equation:

Substitute this equation into the second equation:
Now you need to solve for "m":

Micaela is 17 years old now.
30 is 20% of 150.
30/x = 20/100
30 * 100 = 20 * x
(30 * 100)/20 = x
x = 150
Answer:
i'll take. thank you
Step-by-step explanation:
Well if they’re getting a quarter of it, they’re receiving 500, 500 divided by 2 is 250 so I would guess A