karim has 40% more stamps than rahim . If he gives 45 of his stamps to Rahim will have 10% more stamps than karim . How many stamps did karim begin with ?
Created: 5 years ago |
Updated: 3 years ago
best des
ধরি, রহিমের আছে x টি
করিমের আছে ( x + x এর 40/100) টি
= ( x + 2x/5) টি
= ( 7x/5) টি।
( x + 45) - ( 7x/5 - 45) × 10/100 = ( 7x/5 - 45)
10x + 450 - 7x/5 + 45 = 14x - 450
4x + 7x/5 = 945
20x + 7x = 945 × 5
x = 945 × 5 / 27
x = 175
করিমের stamp সংখ্যা = 175 × 7 / 5 = 245
Md Azizur Rahman
Founder of Satt
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