40 percent of what number is 28
40/100 x = 28 0.4x = 28 x = 28 / 0.4 x = 70
40% = 40/100 = 4/10 = 2/5n × 40% = 28*divide both sides by 40%n = 28/(40%) = 28/(2/5) = 28/2 × 5 = 14 × 5 = 70answer is . . . 70