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16. The organisers of an essay competition decide that a winner in the competition gets a prize of 100 and a participant who does not win gets a prize of 25. The total prize money distributed is 3,000. Find the number of winners, if the total number of participants is 63. |
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Answer» The total sum of money = 3000Let the number of winners of 100 be xAnd those who are not winners = 63 - xAccording to the question, 100\times X+25\times\left(63-x\right)=3000100×x+25×(63−x)=3000\RIGHTARROW\ 100x+1575-25x=3000⇒ 100x+1575−25x=3000\Rightarrow\ 75x+1575=3000⇒ 75x+1575=3000\Rightarrow\ 7x+1575-1575=3000-1575⇒ 7x+1575−1575=3000−1575[SUBTRACTING 1575 from both SIDES]\Rightarrow\ 7x=1425⇒ 7x=1425\Rightarrow\ \frac{7x}{7}=\frac{1425}{7}⇒ 77x = 71425 [Dividing both sides by 7]x = 19Hence the number of winner is 19.Step-by-step EXPLANATION:please mark as brainliest n thank me |
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