Question for-a-
3.1 Ratios, Rates, and Proportional Relationships - Word problems with proportional reasoning
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For a person m miles from a flash of lightning, the length of the time interval from the moment the person sees the lightning to the moment the person hears the thunder is k seconds. The ratio of m to k can be estimated to be 1 to 5. According to this estimate, the person is how many miles from a flash of lightning if the time interval is 25 seconds?
A.
10
B.
9
C.
6
D.
5