The wall street journal reporter the biggest music comeback in 2014 was vinyl records. nearly 8 million vinyl were sold in 2014, mostly to younger markets. if there were 15 vinyl record factories pressing records in the united states in 2014, and only 2/3 remain operational in 2015, how many factories closed down?

5 factories closed

Step-by-step explanation:

In 2014 there were 15 operating factories.

We know that of those 15 factories only 2/3 remain operative.

If only 2/3 remain operational this means that 1/3 of them closed.

To calculate the number of factories that closed we must multiply the initial number of operative factories by 1/3.

This is:

.

5 factories closed

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17