APPLES AND ORANGES ARE MIXED IN THE RATIO 8:5. THE TOTAL NUMBER OF FRUITS IS 650. HOW MANY MORE ORANGES ARE TO BE ADDED SO THAT THE RATIO BECOMES 4:3
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APPLES + ORANGES=650
I.E. APPLES=650x8/13=400
AND ORANGES=650x5/13=250
NOW THE REQUIRED RATIO=4/3
LET NEW NUMBER OF TOTAL FRUITS=X
I.E. APPLES=4X/7 AND ORANGES=3X/7
ALSO 4X/7=400
I.E. 4X=2800
I.E. X=700
I.E. ORANGES= 3X/7=2100/7=300
I.E. MORE ORANGES REQUIRED=300-250=50
I.E. APPLES=650x8/13=400
AND ORANGES=650x5/13=250
NOW THE REQUIRED RATIO=4/3
LET NEW NUMBER OF TOTAL FRUITS=X
I.E. APPLES=4X/7 AND ORANGES=3X/7
ALSO 4X/7=400
I.E. 4X=2800
I.E. X=700
I.E. ORANGES= 3X/7=2100/7=300
I.E. MORE ORANGES REQUIRED=300-250=50
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