Question

A factory requires 13 machines to produce 500 articles in 54 days. How many machines can produce the same number of articles in 78 days?​

Answer 1

Answer:

9 machines

Step-by-step explanation:

13 machines produce 500 articles in 54 days.

1 machine produces 500 articles in 54 × 13 days = 702 days.

x machines produce 500 articles in 78 days.

If no. of machines increases, no. of days decreases. So, we will use inverse proportionalilty here.

702 days = 1 machine

1 days = 1 × 702 machines = 702 machines

78 days = 702/78 machines = 9 machines

Answer 2

Answer in the above attachment dear