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A customer saved Rs 20 by buying 10 soaps. Discount of Rs.10% is allowed on each soap.Find the marked price of each soap.
use ,
marked price =Assumed marked price/selling price when marked price is Rs.100 * selling price
thank you
"Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success!"
- David O. McKay
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180 rufiyah spent.
200 rufiyah spent if not on sale.
How get?
Saved 20 rupiah over 10 soaps, or 2 rupees on each soap.
2 x 10 = 20
10% was saved, so 1/10 = 10% = 0.1 = 0.10 = 0.100 = 0.1000.
HighPrice x 9 ÷ 10 = LowPrice
HighPrice x 9 ÷ 10 x 10 = LowPrice x 10
HighPrice x 9 ............. = LowPrice x 10
HighPrice x 9 ÷ 9..........= LowPrice x 10 ÷ 9
HighPrice ...................= LowPrice x 10 ÷ 9
Am I making any sense to you??
200 x 9 = 1800, that's eighteen hundred, also said one thousand eight hundred.
Now 1800 ÷ 10 is 180.
But the trick is to know that 1 ÷ 10% = 10
That's really how I did it.
Learn about reciprocals. Reee Sip Proa KooLZ, not KoooooLZ, KoolZ, like bulls or pulls.
The reciprocal of 2 is 1 ÷ 2 or a half.
The reciprocal of 3 is 1 ÷ 3 or a third.
The reciprocal of 1÷3 is 3
The reciprocal of 1÷2 is 2
Last edited by John E. Franklin (2007-10-16 03:17:32)
igloo myrtilles fourmis
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pls solve using the formula which i have written
"Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success!"
- David O. McKay
Offline
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