- AS
- BP
- CQ
- DR
Step-by-Step Solution
Still water = (down + up) ÷ 2: P 18, Q 17, R 19, S 18 km/h. R is fastest. (S has the highest downstream speed but a low upstream speed.)
Answer: D) R
Four boats are tested on the same river. Using the table, which boat has the highest speed in still water?
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