a room 9m * 7.5m is covered with tiles. size of each tile is 20cm by 25cm. find the cost of tiles at the rate of $45 per tile.

Answer 1

two roads 3m wide have been constructed in the middle of a garden crossing each other at right angles, running parallel to the sides of the garden 35m long and 25m wide. find the cost of constructing the roads at the rate $80 per sq.m.