The diagram below shows a rectangular floor.
( Length = 4m)
( Width = 2.5m)
Ruth wants to cover the floor in a mosaic made from rectangular tiles. Each tile is 20cm by 50cm.
65% of the tiles will be red.
The remaining will be black or gold
The ratio of black to gold tiles will be 2:3
(a) assuming there are no gaps between the tiles, how many tiles of each colour will ruth need? (5 marks)
(b) If ruth chooses to leave gaps between the tiles, how could the effect the number of tiles she will need?
(Total for Question is 6 marks)
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The diagram below shows a rectangular floor.
( Length = 4m)
( Width = 2.5m)
Ruth wants to cover the floor in a mosaic made from rectangular tiles. Each tile is 20cm by 50cm.
65% of the tiles will be red.
The remaining will be black or gold
The ratio of black to gold tiles will be 2:3
(a) assuming there are no gaps between the tiles, how many tiles of each colour will ruth need? (5 marks)
(b) If ruth chooses to leave gaps between the tiles, how could the effect the number of tiles she will need?
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