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2 votes
During a recent blood drive, 9 donors had type O blood. This was 22.5% of the total number

of donors who gave blood that day. How many donors participated in the blood drive?

User Newbee
by
7.5k points

1 Answer

2 votes

Answer: 40

Explanation:

Set up a proportion:

22.5/100 = 9/x

22.5x = 900

22.5x/22.5 = 900/22.5

x = 40

Answer: 40 people

User Azheen
by
8.7k points
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