32% of a number exceeds 12% of the same by 80. what is the number?
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Prudvikankanala1:
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Let the require number be X
then , according to the question .
( X × 32)/ 100 = ( X × 12)/100 + 80
32X/100 = 12X/100 + 80
32X/100 - 12X/100 = 80
20X/100 = 80
20X = 100 × 80
20X = 8000
X = 8000/20
X = 400 .
the required no. is 400
answer.
then , according to the question .
( X × 32)/ 100 = ( X × 12)/100 + 80
32X/100 = 12X/100 + 80
32X/100 - 12X/100 = 80
20X/100 = 80
20X = 100 × 80
20X = 8000
X = 8000/20
X = 400 .
the required no. is 400
answer.
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