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1. 3 2. 1 3. 2 4. 4 5. 2

Step-by-step explanation:

For question 1, you first need to find how many are accepted. To do this, you multiply the number of people who applied by the percent of people who are accepted, in decimal form. 20,000 x .70 is 14,000. Now to find the amount of students that actually enroll, you multiply the number of people who got in by the percent of people who actually enroll, in decimal form. 14,000 x .25 is 3,500.

For question 2, you must divide the percent by the whole number, which is 15 percent.

For question 3, the answer is 30 percent. 39-30 / 30    x 100% = 30%

For question 4, we find the price per unit. To do this you divide 7,200 by 300, which is 24. Then find the percent of increase. The answer is 25%.

45/9 x 100% = 500 for question 5. The answer is 500.