Question

Слесарь за 4 часа по норме должен изготовить 84 детали.За первые 3 часа он изготовил 72 детали. на сколько деталей его прозводительность выше ннормы?

Answer 1

Нужно сделаную работу 84 поделить на 4 и получится 21                                        

Затем нужно зделаную работу 72 поделить на 3 и получится 24

И потом 24 минус 21 получится 3 

Answer 2

84/4=21(должен изготовить за час)

72/3=24(изготовил за час)

24-21=3(на 3 детали выше нормы)

 

Answer 3

Calculation of Productivity

To calculate the number of parts the locksmith's productivity is above the norm, we need to find the difference between the number of parts he actually produced and the number of parts he should have produced according to the norm.

According to the information provided: - The locksmith should have produced 84 parts in 4 hours. - In the first 3 hours, he produced 72 parts.

To find the number of parts the locksmith's productivity is above the norm, we can subtract the number of parts he actually produced from the number of parts he should have produced:

Number of parts above the norm = Number of parts he actually produced - Number of parts he should have produced

Let's calculate it:

Number of parts above the norm = 72 - 84 = -12

Therefore, the locksmith's productivity is 12 parts below the norm.

Please let me know if there is anything else I can help you with!