Answer:
The number they would count is
Step-by-step explanation:
One mole is equal to 6.02214076x10^23 particles. In order to know the number counted by every human on Earth we simply multiply the number of humans times the count a "good counter" can achieve, 4x10^9x7.44x10^9 (for USA, change to 4x10^12 if you use de British English definition). Thus:
Y=x+7 would make the slope less steep because the rate is not as big as 6.
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Step-by-step explanation:
hope this helps
800+16x=720+21x
80+16x=21x
80=5x
X=16
So 16 hours :)