Answer: The answer is 50%.
Step-by-step explanation: Given that the factory produces 126 articles in a day. After retooling, the production of the articles increased and they started producing 189 articles in a day. We need to calculate the percent increase in labour productivity.
We have,
Percent Increase in labour productivity will be equal to the percent increase in the number of articles.
Increase in the number of articles after retooling = 189 - 126 = 63.
Therefore, percent increase in the number of articles is given by

Thus, the labour productivity increased by 50%.
Answer:
6
Step-by-step explanation:
Answer:
The answer is 150
Step-by-step explanation:
It's 150 because ye evening sales are three times of his afternoon sales.
SO that means you have to times 50x3=150 or you can add 50+50+50=150. there is your answer.