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Let's the total salary be X.
He spends 2/5 of his salary.
= (2/5 × X) = 2X/5
The remaining balance is (X-2X/5)= 3X/5
Then, he spends 3/10 of the remaining balance which is 3X/5.
= 3/10 × 3X/5 =9X/50
The remaining balance is (3X/5 - 9X/50)= 21X/ 50.
The required fraction is 21/50.
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He spends 2/5 of his salary.
= (2/5 × X) = 2X/5
The remaining balance is (X-2X/5)= 3X/5
Then, he spends 3/10 of the remaining balance which is 3X/5.
= 3/10 × 3X/5 =9X/50
The remaining balance is (3X/5 - 9X/50)= 21X/ 50.
The required fraction is 21/50.
I hope this answers your question sufficiently. Happy learning. Mark it as the brainliest answer if you're satisfied. For more help, follow me.
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