Answer:
5.994989
Step-by-step explanation:
90 seats are on the right and 60 seats are on the left.
To get the average you need to add all the numbers together and divide by the match number. So, 98+25+105+62+65=355. 355/5=71, therefore the average is 71
2nd one is the correct one I think
On the bottom left, the answer is subtraction property of equality because you need to subtract 4x to the 7x to simplify the equation.
