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30 June, 22:05

4 bags of cement do 18m squared how many metre squared can be done with 7 bags

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Answers (2)
  1. 30 June, 22:25
    0
    18 divided by 4 = 4.5 meters squared

    4.5 multiplied by 7 = 31.5 meters squared
  2. 30 June, 22:35
    0
    4=18

    7=x

    these ar ratios

    4:18=7:x

    fractiofy

    4/18=7/x

    mutply both sides by x

    4x/18=7

    mulitply bothsides by 18

    4x=126

    divide both sides by 4

    x=31.5

    answer is 31.5 m^2
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