13:15=169: if the given ratios are in direct proportion a 225 b195 c165 d 175
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13:15 = 169:x
x = 169×15÷13
= 13×15
=195
therefore ans is 195
plz mark as brinlist
x = 169×15÷13
= 13×15
=195
therefore ans is 195
plz mark as brinlist
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