Question

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Answer 1

I 1x=200 y=99

ii2x=150 y=151

Answer 2

Answer:

(i) x= 3 & y=2

Step-by-step explanation:

99x+101y=499.....(1)

101x+99y=501.....(2)

after adding eq(1) & eq (2) we get

x+y=5.....(3)

after substracting eq (1) & eq (2)

x-y=1......(4)

after solving eq (3) & eq (4),

x=3 & y=2