An online movie rental store rented out 6,816 movies one month. This was 40% less than the number of movies it rented out the previous month. The following equation represents this situation, where x represents the number of movies the store rented out the previous month.

Question

campbell_st · Answer

this is what you know

6816 = 60%       
it rented 60% of the previous months movies

then 

$$6816 = \frac{60}{100}x$$



find 1% by dividing both sides by 60

113.6 = 1%

multiply by 100 to get 100%

11360 = number of movies rented in the previous month