Let the unknown number be x. Write an equation + 5 = 1.5x, which is the direct translation of English to Math. To solve, multiply both sides by 2*3 = 6 2x + 5*6 = 1.5*6*x 2x + 30 = 9x 30 = 9x - 2x 30 = 7x x = 30/7 = 4. ANSWER