48. A mason uses about 2 bags of cement in finishing a 9 sqm wall to cement 40.5 sq. m, he needs ___ bags of cement. (Ans: 9 bags of cement)
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Since 2 bags of cement are used for a 9 sqm wall, divide 2 by 9 to get the amount of cement per sqm. 2 ÷ 9 = 0.2222 bags of cement per sqm. Show more…
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