the difference between a discount of 35% and two successive discounts of 20% and 20% on a certain bill was rupees 22 find the amount of the bill
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Let the amount of the bill be x
35% discount=0.35x
First 20% discount =0.2x
After this discount the amount becomes 0.8x
So the next discount amount=0.8x(.2)=0.16x
So total discount in two successive discount=
0.2x +0.16x=0.36x
0.36x-0.35x=22
0.01x=22
x=2200 Rs
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