50 or 100 y in a d (50 or 100 years in a decade)
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No, 50 is double of 25 so....if X = 50 Y = 25 X - Y = 25 25 / Y = 1 1 * 100 = 100% 100% is double. -------------------------------------------------------------------------------------------------------------------------------------------------- X = 50 Y = 25 X/Y = 2 X = 2 x Y <------- statement 1 X/Y = 2 X/Y = 2 x 100% = 200% X = 200% of Y <------ statement 2 By statement 1 & 2, 200% is equivalent to double.
You set up a proportion problem... 30/ Y = 60/100 You are solving for Y and the 60/100 represents 60% You just cross multiply (i.e. 30 x 100 = 3000) And divide (i.e. 3000 / 60 = 50) This is your answer! 30 is 60% of 50
It is simply: 50/y meaning 50 over y
10 Units.
-50