Faith paid $25.10 for a newspaper ad. the newspaper charged $5.02 for 3 lines of print. how many lines was the ad?

The ad was around 15 lines.
25.10/5.02 = 5
and then 5 * 3 = 15 lines

To find the answer, divide the amount of money Faith paid by the amount of money the newspaper charged for 3 lines of print.That is:
$25.10/$5.02=5 5*3=15  Therefore there were fifteen lines in the ad.

Logical equivalent of the give question is its contrapositive