3 marks 7 10 In a school sh7200 was spent on beans per day When the price of

3 marks 7 10 in a school sh7200 was spent on beans

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(3 marks) 7
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10) In a school, sh.7200 was spent on beans per day. When the price of beans went up in the ratio 5:3, the amount of beans consumed was reduced in the ratio 7:8. What was the new daily expenditure on beans? (3 marks) 8
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11) The sum of the digits in a two-digit number is seven. When the two digits are inter-changed, the value of the new number exceeds the value of the original number by 45. What is the original number? (3 marks) 12) Wekesa and Brian each has a salary of sh.5 400. Wekesa is given arise of 12% in one year and the same percentage increase in the next year. Brian is offered 14% for the two years. Who is offered a better deal and by how much over the two years. (3 marks) 9
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13) The perimeter of a quadrant of a circle is 50cm. Find the area of the quadrant. (take π = 22 / 7 ) 3 marks) 10
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14) There are unspecified number of cows in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den. (2 marks) 15) Barasa received sh.1 800 commission on credit air time card sales. His rate of commission was 25%. How much worth of cards did he sell? (2 marks) 11
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16) Express the following decimals as a fraction in lowest form. i) 0.363636…………… (2 marks) 12
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. ii) 0.73 13
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17) A retailer bought some sugar at the wholesale price of 35/= per kg. He packed 3 / 4 of sugar in 2kg packets and sold each packet at 80/=. He packed the remaining ¼ in 1kg packets and sold each packet at 42/=. After selling all the sugar, he found that he made a profit of 1 320/=. a) Determine the amount of sugar he bought. (3 marks) b) Calculate to one decimal place i) .Percentage profit he made. (2 marks) 14
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ii) The percentage profit he would have made if he sold all the sugar in 2kg packets. (2 marks) 15
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