Question

A bookstore sold 18,000 paperbacks one month. This was 10% less than the number of paperbacks the store sold the previous month. The following equation represents this situation, where x represents the number of paperbacks sold the previous month.

x − 0.1x = 18,000

How many paperbacks did the store sell in both months combined?

20,000

35,990

38,000

180,000

Answer 1

also

Answer 2

20,000-.1(20,000)=18,000

Answer 3

18,000+20,000=38,000

Answer 4

and L=(p-2w)/2