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ICSE Class 10 Answered

Q6 b part
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Asked by lovemaan5500 | 26 Feb, 2018, 07:01: AM
answered-by-expert Expert Answer
begin mathsize 16px style According space to space the space question space straight x space be space the space weekly space wage space of space worker. straight N space is space number space of space workers. straight w space is space weekly space wage space of space worker. Nx equals 816........... left parenthesis straight i right parenthesis left parenthesis straight N minus 1 right parenthesis left parenthesis straight x plus 3 right parenthesis equals 781......... left parenthesis ii right parenthesis rightwards double arrow straight N equals fraction numerator straight x minus 32 over denominator 3 end fraction Put space value space of space the space above space straight n space in Nx equals 816 Solving space further space you space get straight x squared minus 32 straight x minus 2448 equals 0 open parentheses straight x minus 68 close parentheses left parenthesis straight x plus 36 right parenthesis equals 0 straight x equals 68 space or space straight x not equal to negative 36 straight x equals 68 end style
Answered by Sneha shidid | 26 Feb, 2018, 09:57: AM

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