Math, asked by jnsakshi8109, 1 year ago

A classroom is 7 m long, 6.5 m wide and 4 m high. It has one door measuring 3 m x 1.4 m and three windows, each measuring 2 m x 1 m. The interior walls are to be white washed. The contractor charges rs. 7.25 per sq. M. Find the cost of white washing the interior walls of a classroom.

Answers

Answered by jixuanwang

2

Answer:

1416

Step-by-step explanation:

[(7*6.5+4*6.5+7*4)*2-3*1.4-3*2*1]*7.5=1416

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