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K.usha yasaswini

· started a discussion

· 1 Months ago

Usha (Question:595211.0)

Negative marks is there

Question:
If 8x + 3y: 4x + 5y = 5:7. Find x: y.
Options:
A) 1:9
B) 2:9
C) 4:9
D) 5:9
Solution:
 7(8x + 3y) = 5(4x + 5y)
56x + 21y = 20x + 25y
56x – 20x = 25y – 21y
36x = 4y
x/y = 4/36
x/y = 1/9

Knowledge Expert

· commented

· 1 Months ago

Dear student,
No negative marking is there.
Keep learning,
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