Question

What must be substracted
of the ratio 17:33 so that ratio becoms 7:15 ?

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Answer 1

Answer:

3

Step-by-step explanation:

What must be subtracted  from the ratio 17:33 so that ratio becomes 7:15?

Subtracting x from both 17 and 33

$(17-x):(33-x)=7:15$

$7*(33-x)=15*(17-x)$

$231-7x=255-15x$

$8x=24$

∴$x=3$

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Double - Checking

$14:30=7:15$(True)