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The ratio of twoineachno is 5:7. If 40. is added in each. nothen the ratio become 25:31Find thenoSolLet the post no be sureno be 5xand second no is 7xfrom the givencondition\begin{gathered} \frac{5x + 40}{?} = \frac{?}{31} \\ 3(5x + 40) = 25(7x + 40) \\ \\ ( ? + 1240) = (175x + ?) \\ 1240 - 1000 = 175x - 155x \\ \\ 240 = 20x \\ x = ?\end{gathered}?5x+40=31?3(5x+40)=25(7x+40)(?+1240)=(175x+?)1240−1000=175x−155x240=20x=? therefore 5 *12 =60and 7 * 12= 84 |
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