Question-: A marble TILE measures 12cm ✖ 10cm. how MANY titles required to cover a wall 8 metre long and 2 metre broad ? ALSO, FIND total cost of tiles at RS. 40 per tile ?AnswEr-: Explanation-:ANALYSING-: By Analysing the given things -: 1 . We can see that the tiles is in Rectangular form .2 . The length of tile is 12 cm and breadth of tile is 10 cm .3 . We can see that wall is also in Rectangular form .4. The length of wall is 8 metre and breadth of wall is 2 metre .Now ,We know that [ 1m = 100 cm ] Then ,The length of wall is 8 m = 800 cm The breadth of wall is 2m = 200 cm Now , Here ,The length of tile is 12 cm The breadth of tile is 10 cm Now ,Therefore, Now , Here ,The length of wall is 800 cm The breadth of wall is 200 cm Now ,Therefore, Now ,No. of tiles = Area of wall / Area of tile .Here ,Area of wall = 160000 cm ²Area of tile = 120 cm²Now ,Therefore, Now ,Total cost of Tiles = No. of tiles × The cost of one tile Here ,No. of tiles = 1333.333[ Approx]The cost of one tile = Rs . 40Now ,Hence ,___________________♡___________________