7. The population of Flood River City is now 42,000. Experts predict the population will decrease 25% each

year for the next five years. What will be the population in five years?

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.