Answer and Explanation
Your Answer is
Correct Answer is J
Explanation
Paving, the unit of the legend is feet. 1 foot = 12 inches. The cement needed is
4÷12×(20×4+4×6) ÷ 0.6 = 57.77, at least 58 bags of cement are needed
50. Roger will pour concrete to make a sidewalk with the dimensions, in feet, shown in the figure below. He will pour the concrete to a depth of 4 inches. One bag of concrete mix makes 0.6 cubic feet of concrete. What is the least whole number of bags of concrete mix that Roger needs in order to make the sidewalk?
