The number of marbles in Amin's collection is 80% of the number in Rahim's collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether ?
Created: 6 years ago |
Updated: 1 year ago
best des
Hints: Rahim এর মার্বেল সংখ্যা = R and Amin = A
R = 80 + A ; A = .80(80 + A)
A = 64 + .80A
.20 A = 64
A = 320
তাহলে, R = 80 + A = 80 + 320 = 400
total = 400 + 320 = 720
Md Azizur Rahman
Founder of Satt
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