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shepuryov [24]
3 years ago
11

Help me on 8 and 9 plz

Mathematics
1 answer:
klasskru [66]3 years ago
5 0
8. first 12 bags for 54m^{2} [/tex]  
 54 ÷ 12 = 4.5
we know: 1 bag for 4.5m^2
36 ÷ 4.5 = 8
so 36m^2 we must use 8 bags

9. \frac{5}{8}x2 =5x2/8= 10/8 = 5/4 = 1.25

 hope it helped you
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