Question

after spending 45%of his money ,a boy has rupees 176 left find the initial amount he had

Answer 1

money left=45%
money spent=(100-45)%
=55%
55%=176
1%=176/55
100%=17600/55
=320
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Answer 2

given,
$x - \frac{x}{100} \times 45 = 176 \\ \frac{100x - 45x}{100} = 176 \\ 55x = 17600 \\ x = 320$