11Percent: part is 18% of what
45 is 18% of what number? A) 8.1 B) 225 C) 250 D) 810
The whole number is 250, choice C. Writing 45 = 0.18x and dividing by 0.18 gives x = 250, and checking: 0.18 × 250 = 45 ✓.
45 is 18% of what number? A) 8.1 B) 225 C) 250 D) 810
The whole number is 250, choice C. Writing 45 = 0.18x and dividing by 0.18 gives x = 250, and checking: 0.18 × 250 = 45 ✓.