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Answer:

10. Area of 1 wall = 12*12

= 144m²

Area of 4 such walls = 144*4

= 576m²

Cost of painting all the walls = 576*30

= ₹17,280

11.

[tex] \: \: \: \: \: 03.100kg\\ \: \: \: \: \: 00.425kg\\ + 06.030kg \\ = = = = = = \\ \: \: \: \: 09.555kg[/tex]

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Answer:

09.555 kg

Step-by-step explanation:

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