675
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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
9/12 x 100 = 75 percent.
Percentage reduction from 120 to 75 = ((120 - 75) / 120) x 100 = (45/120) x 100 and that is (9/24) x 100 = (3/8) x 100 = (3/2) x 25 = 75/2 = 37.5 %
((75/100) x 80) + ((15/100) x 60) = 60 + 9 = 69
The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, 225 That means 1 x 225, 3 x 75, 5 x 45, 9 x 25, and 15 x 15 all equal 225.