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We know the formula to find the fourth proportion - => a : b = c : d => 13 : 20 :: 26 : d => d = (26 × 20)/13 => d = 40
7(1/2) – 3(5/6) = ? − 2(7/12)
If A = 0.84181818... then what will be the difference between the numerator and denominator of the lowest fraction form of A?
? % of 1200 = 20% of 30% of 3600
154 × 7 + 480 × 5 =?% of 6956
262 × 15 + (?)² = 4099