Do you think you could attach a photo?
Answer:
yeah it's blurry ¯\_(ツ)_/¯
The formula or the area of a trapezoid is (a+b) divided by 2 times height so the answer is 128ft2
Multiply 7x23 = 161 to determine how many chairs there are in the theatre in total.
Subtract 8 from the total number of chairs to determine that 153 chairs remain after workers are finished.
Hope this helped