EXERCISE 17(D)1. How many square tiles of side 30cm will be required f

1.	EXERCISE 17(D)1. How many square tiles of side 30cm will be required for a floor 18m long and 15mwide? If the cost of a tile is 2.50, find the cost for covering the floor with the tiles.dor Find
Answer» 1) 1st *FIND* *Area* *Area* = ( l×b)= 18×15=270 *tiles* *needed* = 270/30=9 9 *tiles* *are* *needed* *for* *the* *floor. 2) cost* of *one* *TILE=2.50 cost* *for* 9 *tile* = 2.50 × 9 = 22.5

EXERCISE 17(D)1. How many square tiles of side 30cm will be required for a floor 18m long and 15mwide? If the cost of a tile is 2.50, find the cost for covering the floor with the tiles.dor Find

Answer»

1) 1st FIND Area

Area = ( l×b)=

18×15=270

tiles needed = 270/30=9

9 tiles are needed for the floor.

2) cost of one TILE=2.50

cost for 9 tile = 2.50 × 9 =

22.5