26/40=65% of customers
65% of 800 customers=520 who think the store is clean enough
Answer:

Step-by-step explanation:
- The sum of exterior angles of a polygon is equal to 360 degrees

Answer: 16 birds
Step-by-step explanation:
Acording to the info we know that: for every 1 squirrel there are 4 birds
=> the number of the birds if there were 15 squirrels: 15*4=60 (birds)