Answer:
Let x be the number of miles Clara put on her car in June.
We are given that Clara put 860 miles on her car in May, so we can write:
Number of miles Clara put on her car in June = 2(860) - 28 (since she put 28 less than twice the number of miles on her car than she did in May)
Simplifying this expression, we get:
Number of miles Clara put on her car in June = 1,692
Therefore, Clara put 1,692 miles on her car in June.