the ascending order of the marks of class 9th students is 35 37 39 41 2x-1 2x 48 49 50 and whose median is 45.find x
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2x-1+2x÷2=45
4x-1=45×2
4x=90+1
4x=91
x=91÷4
x=22.75
4x-1=45×2
4x=90+1
4x=91
x=91÷4
x=22.75
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