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AlekseyPX
4 years ago
14

Rick received better results for his Maths test than for his English test. If the sum of his two marks is 163 and the difference

is 31, find the mark for each subject.
Mathematics
2 answers:
Setler [38]4 years ago
7 0

Answer:

Let x= Maths marks

and y= English marks

Step-by-step explanation:

x + y = 163

x - y = 31

-(x-y) = -(31)

.: 2y = 132

y = 66

.: x - 66 = 31

x = 31 + 66 = 97

.: maths marks= 97

English marks= 66

Andre45 [30]4 years ago
4 0

Answer:

Step-by-step explanation:

LET MATHS MARKS BE X AND ENGLISH BE Y

GIVEN,

X+Y =163...........1

X-Y=31............2

FROM 1 AND 2 ,

2X=194

X= 97

Y=66

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