Question

. 2. A door frame of dimensions 4 m x 3 m is fixed on the wall of dimension 15 m x 15 m. Find the cost of white washing the wall at the rate of 3.5/m2. ​

Answer 1

Answer:

$745.5

Step-by-step explanation:

Door area:- 4×3=12m

Wall area:- 15×15=225m

Wall area -Door area=

225-12

213m

painting the wall as per 3.5m²

213×3.5

745.5

therefore, rupees 745.5 are needed to paint the wall.

hope it helps !