Answer:
∞
Step-by-step explanation:




x > 
Answer:
900,000 That's Your Answer UwU
Step-by-step explanation:
First, find your total sales. You do this by adding all the sales together, 2030+1540+1800=5370. Now, for each person, divide their sales by total sales.Lola) 2030/5370=203/537≈0.378=37.8%Ahmed) 1540/5370=154/537≈0.287=28.7%Tommy) 1800/5370=180/537=60/179≈0.335=33.5%
85% liked => 15% didn't like
30 = 15% of x
30 = 0.15 x => x = 30 / 0.15 = 200. This is the total number of students at the library.
Then 200 - 30 = 170 is the number of students whom did like reading mistery stories.
Answer: 170.