Heather's class took a field trip to the science museum. They left school at 7:30 A.M. It took
them 30 minutes to drive to the museum. They stayed at the museum for 2 hours and it took
them 30 minutes to drive back to the school. What time was it when Heather's class got back
to school?

10:30 A.M.

7:30 A.M.

10:00 A.M.

11:00 A.M.
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