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Ratios, Proportions & Percents -Ratios & Unit Rates
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Question: The table shows the lengths of two longest rivers in the United States. Find the ratio of their lengths.
A ) 117 : 127
B ) 127 : 117
C ) 2 : 1
D ) 12 : 11
Steps to derive
1
Length of Missouri
Length of Mississippi
=
2540
2340
[Substitute.]
[Divide the numerator and the denominator by their GCF, 20.]
2
=
2540÷20
2340÷20
[Simplify.]
3
=
127
117
or 127 : 117
4
The ratio of length of Missouri to length of Mississippi is 127 : 117.
Hence the right answer is Option B
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