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A man completed a trip of 136 km in 8 hours. some parts of the trip was covered at 15 Km/hr and remaining at 18 Km/hr Find the distance covered at 18Km/hr Answer fast please right answer will be marked as brainliest |
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Answer» 96kmStep-by-step explanation:Let the TRIP covered at 18km/hr be x = x/18. ------------------ (1) So, PART of the trip covered at 15km/hr is (136 - x) = (136 - x)/15 -------------- (2) On solving (1) and (2), we get (136 - x)/15 + x/18 = 8(Given 8 HOURS) (2448 - 18x + 15x)/ 15 * 18 = 8 2448 - 3x = 2160 3x = 288 x = 96km. Hope this HELPS!if so plzzzz mark me brainliest!!!! TYVM!!! |
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