Math
posted by Rosie .
A company charges $42 per cubic yard of concrete. How much will it cost to pour a sidewalk that is 45 inches wide, 70 feet long, and 4 inches deep?

45" = 1.25 yards
70 feet = 23.333 yards
4 inches = 0.111 yards
1.25 * 23.33333 * 0.1111 * 42 = ?
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