here is the answer you need.
Answer:
The answers would be =
A = (226.6 + 205.6 + 157.6) / 3 = 589.8 / 3 = (196.6)
B = (119.6 + 61.6 )/2 = 181.2/2 = 90.6
13y+x-7y. The answer to this expression is 6y+x
The answer is: No ,you can calculate : 450X10=4500