High School

An assembly line produces 20 items per hour. If the line runs 24 hours per day, 7 days per week, how many items are made by this machine in one month? (Assume 30 days/month)

A. 3,360
B. 14,400
C. 13,440
D. 100,800

Answer :

Sure, let's break down the problem step by step to find out how many items are produced by the assembly line in one month.

1. Determine the production per hour:
- The assembly line produces 20 items per hour.

2. Calculate the production per day:
- The line runs 24 hours per day. So, to find out how many items are produced in a day, you multiply the number of items produced per hour by the number of hours in a day:
[tex]\[
20 \text{ items/hour} \times 24 \text{ hours/day} = 480 \text{ items/day}
\][/tex]

3. Calculate the production in one month:
- In a month of 30 days, the total number of items produced is the number of items produced in a day multiplied by the number of days in the month:
[tex]\[
480 \text{ items/day} \times 30 \text{ days/month} = 14,400 \text{ items/month}
\][/tex]

Therefore, the correct answer is B. 14,400. This reflects the total number of items made by the machine in one month.