Question

A contractor has some amount if he spends 20% on raw material, 25% on buildings,30% on machinery. if 12,50,000 left with him.find the amount invested on machinery?
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Answer 1

amount invested on machinery= Rs. 1500000

Total Amount = 100x

$20x + 25x + 30x + 1250000 = 100x$

$25x = 1250000$

$x = 50000$

Amount invested on machinery = 30x

= 1500000