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Mathematics 12 Online
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?

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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