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The sum of the present ages of Sibu and Haru is 50 years. Ten years ago Haru was 5 times as old as Sibu. How old are they now? |
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Answer» 50. (1)(x - 10) - 5 (y - 10). (2)x - 10 - 5y + 50x - 5y + 40. (3)elimination of (1) and (3)x + y = 50x - 5y = - 40-. +. +6Y = 90y = 15now... substitute y in (1)x + y = 50x + 15 = 50x = 35(x , y) = ( 35 , 15)PLEASE MARK AS BRAINLIEST!!!! |
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