Question

Help me on 8 and 9 plz

Answer 1

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