Answer:
4x +12
Step-by-step explanation:

Answer:
The answer is 84%
Step-by-step explanation:
The total amount of grocery shoppers that was at the shop was 700, you take the number that did not buy the candy bar and divide it by 700, so 588/700 = .84 move over the decimal by 2 to get your percentage and there you go.

Above is the correct method to solve this question.
Bror did wrong while solving the question because we can't directly divide any equation.
Hope this helps!