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2 years ago

Help me please if you can

Mathematics

1 answer:

rjkz [21]2 years ago

4 0

Answer:

Step-by-step explanation:

Red blood cells : Platelets = 680 : 40 = (680÷10) : (40÷10)

= 68 : 4 = (68÷4) : (4÷4)

= 17 : 1

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