Question

In a group of 60 workers they get paid an average of 80$ a day per person.

if some earn $75 a day and the rest earn $100 a day, how many earn $75 a day

Answer 1

48 workers earn $75 a day.

Explanation:

Let x people earn 75 a day then 60-x earn 100 dollars a day.

Average is $80 a day so total paid out to the 60 workers

= 60*80 = $4800.

So 75x + 100(60-x) = 4800

75x + 6000 - 100x = 4800

6000 - 4800 = 100x - 75x

1200 = 25x

x = 48.