A project rule spaces cones every 15 feet along a 90-foot sidewalk detour. If cones are placed at both ends, how many cones are needed?
Correct Answer
C) 7 cones.
Ninety feet divided by 15 feet gives 6 spaces, so 7 cones are needed including both ends.
Why This Is the Correct Answer
Ninety feet divided by 15 feet gives 6 spaces, so 7 cones are needed including both ends.
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