2/3 th of 1/3rd of 3/7th of a number is 15,then 40% of that number is
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2/3x *1/3x*3/7x = 15
2/21x=15
x=21*15/2
x=157.5
40% of 157.5
40*157.5/100
=63
pls mark as brainliest
2/21x=15
x=21*15/2
x=157.5
40% of 157.5
40*157.5/100
=63
pls mark as brainliest
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