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

Question

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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Claire 1 week 2021-09-08T02:15:37+00:00 1 Answer 0

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    2021-09-08T02:16:57+00:00

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45:7+7-4:2-5:5*4+35:2 =? ( )