21 is 30% of what number?
Let, the number = xThen, x 30% = 21x 0.30 = 21x = 21/0.30x = 70In short, Your Answer would be: 70Hope this helps!
30%x = 21 x = 21/(30%) x = 21/(30/100) x = 21/(3/10) x = 21(10/3) x = 70
