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1 dm = 10 cm so 7.5 dm/90 cm = 75 cm / 9 cm = 75/9 = 25/3
It is: (9/75)*100 = 12
let X = first number let Y = 2nd number X + Y = 75 X = 5Y + 9 5Y + 9 + Y = 75 6Y = 75-9 = 66 Y = 11 X = 75-11 = 64 Ans: 64,11
75
75/9