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056_G3U12_WB_CA_˙—» ¿º 2011.4.5 5:54 PM ˘ ` 19 PDF_In 2540DPI 150LPI T

056-P3-1

Planting Trees
Trees need to be planted on both sides of the road that is 48 m
long and they should be 8 m apart from each other. How many
trees need to be planted? (Trees need to be planted at the
beginning and end of the road.)

Step 1. The length of one side of the road is 48 m. How many 8 m-intervals
are three?

Step 2. How many trees need to be planted on one side of the road?

Step 3. How many trees need to be planted on both sides of the road?
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