1990 AJHSME Problems/Problem 17
Problem
A straight concrete sidewalk is to be feet wide, feet long, and inches thick. How many cubic yards of concrete must a contractor order for the sidewalk if concrete must be ordered in a whole number of cubic yards?
Solution
This is a yard by yard by yard sidewalk, so its volume in yards is Since concrete must be ordered in a whole number of cubic yards, we need .
See Also
1990 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 16 |
Followed by Problem 18 | |
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