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(marks) rent and saved the rest. If she saved sh. 15000, how much did she pay for rs If the 8 child scored 10 marks less than ata exterior angie, When twa more boys join, the core of 6 boys is 70 marks, Ruth spent ; of her salary on food, 2 on school fees, 2 of the remainder on average score becomes 60 marks rent? (Smarks) 7" one. Calculate the score of the 7° child, (Smarks) b) Name the polygon. (2marks) ind the size of each exterior angle 29. The interior angle of a regular polygon is 100° More than the 30. The averag the