24.7k views
1 vote
During a blood drive, the ratio of Type O donors to non- Type O donors was 37:43. About how many Type O donors would you expect in a group of 290 donors?

User Seertaak
by
8.3k points

1 Answer

1 vote

Answer:

134

Explanation:

The ratio of Type O donors to total donors was ...

... 37 : (37+43) = 37 : 80

So, 37/80 is the fraction of total donors that were Type O.

Then the number of Type O donors expected in a group of 290 is ...

... (37/80) · 290 = 134.125 ≈ 134

User Levsa
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories