A man spends 35% of his income on food, 25% on children's education and 80% of the remaining on house rent. What percent of his income he is left with ?
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8
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Let original income $=100$
$35 \% 0$ n food $+25 \%$ on education $=60 \%$
$80 \%$ of 40 on rent $=32$
Income left $=100-(60+32)=8 \%$