Step-by-step explanation:
Given that,
The mass of a patient = 70 kg
A 70kg patient has approximately 8 pints of blood.
The patient donates 470mL of blood.
We know that,
1 pint = 568 mL
8 pints = 4544 mL
Required fraction,

So, the required fraction is approximately
.
72 hours is exactly 3 days...
The <span>Mean Absolute Deviation of 7,9,6,6 is 1 hope it helps <3</span>
The answer is c=5 hope this helps
They have different masses