Question

what must be subracted from each term of the ratio 3:7,so that the ratio becomes 2:5​

Answer 1

HEY MATE, HERE IS UR ANSWER

GIVEN, INITIAL RATIO= 3:7

TO FIND, THE FINAL RATION BY SUBTRACTING A COMMON NUMBER FROM EACH TERM♤♡◇♧

LET THE NUMBER BE x

Then, please now refer the attachment

Hope it helps, plz mark as brainliest

Answer 2

Let the number which must be subtracted be 'X'

3-X\7-X=2/5[ratio is expressed in fraction here]

15-5X=14-2X[by cross multiplication]

3X=1[by taking like terms one side]

X=1/3

Therefore 1/3 is to be added to 3:7 s that the ratio becomes 2:5

Hope this answer helps you!!