Which situation could be represented by 1.25 x 6 = 7.5?

-it took calvin 1.25 hours to run 6 miles. he ran 7.5 miles per hour.

-sara read for 1.25 hours each day for 6 days. she read for a total of 7.5 hours.

-matthew addressed 1.25 envelopes in 6 minutes. he addressed 7.5 envelopes per minute.

-it took beth 1.25 minutes to paint 6 feet of board. she painted a total of 7.5 feet of the board.