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

User Lykegenes
by
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2 Answers

4 votes
18 divided by 4= 4.5 meters squared
4.5 multiplied by 7= 31.5 meters squared
User Jvilhena
by
8.9k points
4 votes
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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