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Hunter-Best [27]
3 years ago
5

The amount of red blood cells in a blood sample is equal to the total amount in the sample minus the amount of plasma. What is t

he total amount of blood drawn? Red blood cells = 45% Plasma = 5.5 mL Please help 
Mathematics
1 answer:
Nana76 [90]3 years ago
4 0
In this case, red blood cells <span>amount in the sample minus the amount of plasma. Red blood cells is 45% of total blood and plasma is 5.5ml. You need to find how many ml is 1% of blood. Then the equation would be

Red blood cells = total sample - amount of plasma
45%= 100% - 5.5ml
100%-45% =5.5ml
55%=5.5ml
1%= 0.1ml

After you found 1%=0.1ml , you can find out red blood cells volume or total sample volume.
Red blood cells volume = 45% x 0.1ml/%= 4.5ml
Total sample volume =100% x 0.1ml/% = 10ml</span>
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