#1 shop A would be cheaper
765 defective panels and yeah
The growth is decaying, the original value is 500 and the common multiplier is 5, 500 divided by 5 turns to 100. 100/5=20. 20/5=4. x/5 or 1/5 if it has to be in a fraction format
Area = Length x Length
Length = √49 = 7 inches
Answer: 7 inches