. If 3x + 4y :x+2y = 9:4, then 3x + 5y: 3x – y is equal to
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7:1 is the answer
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nasirsomama:
tq so much
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3x+5y:3x-y is equal to 7:1
- Given,
3x + 4y:x+2y = 9:4
⇒ =
⇒ 4(3x + 4y) = 9(x + 2y)
⇒ 12x + 16y = 9x + 18y
⇒ 12x - 9x = 18y - 16y
⇒ 3x = 2y ----------------------(1)
- Now, consider
3x + 5y : 3x - y =
= [From (1)]
=
=
= 7:1
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