Question

9. If y 3:7, then find (7x + 3y): (9x - 3y.
(b) 1 7
(a) 7 1
(c) 7:3
(d) 3:7​

Answer 1

Answer:

If x:y=3:7, then find (7x+3y):(9x-3y) Solution : (i) Divide numerator and denominator by y and then substitute the value of x/y. (iii) Substitute the value of x in the requried ratio.

Step-by-step explanation:

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Answer 2

Answer:

option d that is 3:7 is the answer