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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 (zzr0ck3r):
x + y + z = 178 x = 2y x is duy x = z - 3 z is kate
OpenStudy (zzr0ck3r):
y is paul
OpenStudy (zzr0ck3r):
you get how I got that?
OpenStudy (kimberly101):
yep thankyou
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