Can someone give me some help please?

17. Explanation below.

18a. 27 out of every 100 will win.

18b. 27%.

18c. 73%.

19. 1/4 off every dollar.

Step-by-step explanation:

17. 0.05% is the same thing as 0.005 (since 1% = 0.01). Meanwhile, 1/2 = 0.5. 0.5 is a lot more than 0.005 (in fact, it is 100 times more than 0.005!). So, they are not equal.

18a. There is a 0.27 chance of winning free gas. That means there is a 27/100 chance of winning free gas. Since that number cannot be further simplified, 27 out of every 100 will win is your answer.

18b. The percent value of the probability is 27/100 = 0.27 = 27%.

18c. The probability Tommy won't win will be 100 - 27 = 73. So, 73%.

19. 1/4 off every dollar is the better deal because instead of $0.20 off, you will get 1/4 * 1 = 0.25 off. You will get an extra 5 cents off, so that is the better deal.

Hope this helps!