Percentage Problems( Week 11 Practice) 1. 30% of of a number is 18. What is the number? 2. If the result of decreasing P by 50% P is Q, then P is what percentage of Q? 3. If P is 128% of Q, then by what percentage Q is less than P? 4. If 78% of all voters in the county are college graduates, 78% are immigrants, 78% are married, what is the minimum percentage of the married immigrants with a college education among the voters in the county? 5. Of the 1000 customers registered an online program, 8% received a $20 discount, 35% of the remaining 92% received a $10 discount, and the rest received no discount. What is the total discount (in dollars) that all the customers received? |