PERCENTAGE OF A QUANTITY
Question:
There were 500 people at a concert. 30 percent of them were children. If there are 500 people at a concert then how many children are there? (FOR REAL I KNOW THE ANSWER)

NOTE:Be sure to have the solution. Nothing to worry about, simple lang po ito.ANYWAY I'LL BE GIVING A CLUE

CLUE:First, ok 1 percent is equal to 100, and last the answer is three digits. Don't worry its easy,anyway i don't want to give the second clue you might know the answer because its gonna be easier,  ok here it is:
1_ _ ( the first digit is given)