Answer:
400 cm squared
Step-by-step explanation:
Area of Square = length*length.
A=20*20
A=400 cm squared
Answer:
She earns 5.5 dollars per hour at the library
Step-by-step explanation:
I am going to assume that the questions is "how much she earns per hour at the library?"
Let's call x the amount of dollars earn by hour at the library. We know that she worked for 6 hours, thus she made 6x dollars.
Later her grandma gave her 20 dollars and she has now 53 dollars.
Let's write the equation and solve it
Amount earned + Amount given by her grandma = 53

Thus, based on this information we would have that Kia earns 5.5 dollars per hour.
Answer:
10 times 8= 80 then 80 times 6 =480
Step-by-step explanation:
Answer:
Step-by-step explanation: