Solving a distance, rate, time problem using a system of linear... Elizabeth
Espoo
A motorboat travels 189 kilometers in 7 hours going upstream. It travels 357 kilometers going downstream in the same amount of time. What is the rate of the
boat in still water and what is the rate of the current?
km
Rate of the boat in still water:
h
X DO
$
?
km
Rate of the current:
M
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Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?