Answer
4%
Work Step by Step
100% represents the whole, so the percentages for the 4 blood types should total 100%.
$45\%+40\%+11\%+x\%=100\%$
$96\%+x\%=100\%$
$96\%+x\%-96\%=100\%-96\%$
$x\%=4\%$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 7 - Section 7.1 - Percents, Decimals, and Fractions - Exercise Set - Page 477: 97
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