Safety standards require a pool to add 333 chlorine tablets to every 2{,}0002,0002, comma, 000 gallons of water. Today, the lifeguards at Park Pool added 888 chlorine tablets to their pool's 10{,}00010,00010, comma, 000 gallons of water.

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

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step-by-step explanation: