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Mathematics, 15.03.2020 03:18 Saberabuomar2007

Blood Types:
45% O type
40% A type
4% AB type
11% B type
a) In a survey, 126 people had type O blood.
Predict how many people were surveyed.
Hint: use a proportion to solve for the unknown.

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Blood Types:
45% O type
40% A type
4% AB type
11% B type
a) In a survey, 1...

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