What is the dollar amount for the cement needed for a sidewald that is 4 inches thick, 3 feet wilde, and 40 feet long if the cement is sold for $76 petr cubic yard. Calculate the problem using fractions to avoid rounding errors caused by repeating decimals.

Answer 1

Convert all measures to feet and multiply.

1/3 * 3 * 40 * 3^3 * $76 = ?

Answer 2

$337.78