15 is 30% of what number
Simple,change 30% into 0.3then15=0.3*n15/0.3=0.3n/0.350=nThus, your answer is, 50.
The answer is 50. You can get the answer by multiplying 30 by 100 and dividing 15, getting the answer 50, 15 is 30% of 50.