One atta Time

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Compare the approximate speed per hour of Boat A to Boat B.

20+30+33+44+49 = 176 total knots
3+5+6+8+9 = 31 total hours
176÷31 = 5.7

1+7+20+31+37 = 96 total knots
1+2+5+7+8 = 23 total hours
96÷23 = 4.2

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