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OpenStudy (kimberly101):
Use equations to solve the following questions In a mathematics test Duy scored twice as many marks as Paul, but three marks less than Kate. The three students scored a total of 178 marks. How much did each one score?
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OpenStudy (campbell_st):
let paul's marks be x, then duy scores 2x Kate is 2x + 3 then x + 2x + 2x + 3 = 178 5x + 3 = 178 5x = 175 x = 35 Paul scores 35 marks, Duy scores 70 marks Kate scores 73 marks
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