Answer
$\frac{4}{25}$ of the land is in North and South America
Work Step by Step
$\frac{16}{100}+\frac{12}{100}=\frac{16+12}{100}=\frac{28}{100}=\frac{28\div4}{100\div4}=\frac{7}{25}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set - Page 263: 49
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