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john <johnboy98105@xxxxxxxxx> wrote:
: Hello Group,
: I don't understand the wording/reasoning of the following question.
: Q: Saplings are to be plantwed 30 feet apart along one side of a
: straight lane 455 feet long. If the first sapling is to be planted at
: one end of the lane, how many saplings are needed?
: a. 18 b. 16 c. 15(1/6) d. 15 e. 14
: First, will be at 0 ft. or at the beginning, and since there are 455
: ft, I figured, I will divide 455 by 30.
: which gives me 15(5/30). which is 15(1/6) Obviously you can't have 1/6
: sapling, and since you have to be spaced 30 ft apart, you need 15
: saplings.
: but no... it says I need 16 saplings.. what's the reasoning for this?
Suppose instead the lane were 30 feet long. Then how many saplings are
needed? That should help you see the reasoning.
Ted
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