Answer:
In the park's pool there are 7 less chlorine tablets as compared to safety standards.
Step-by-step explanation:
Number of chlorine tablets in 2,000 gallons water = 3 tablets
Number of tablets in 1 gallon of water =
Number of tablet to be added in 10,000 gallons of water :
Number of chlorine tablets added by lifeguard in 10,000 gallon water=8 tablets
Tablets of chlorine to be more added =
=15 tablets - 8 tablets = 7 tablets
In the park's pool there are 7 less chlorine tablets as compared to safety standards.