If 50% of x equals the sum of y and 20, then what is the value of x-2y
সমাধান
সঠিক উত্তর: Option B
50% of x equals the sum of y and 20. Expressing this as an equation yields: ( 50/ 100 ) × x = y + 20 x/ 2 = y + 20 x = 2 y + 40 x – 2 y = 40
