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Read it carefully and identify the important information. It might help to imagine it as a story, or draw the problem as a quick doodle.
On Saturday I spent 97 minutes building my Art model for school and 37 minutes completing my English homework.
However, on Monday night (about 6pm), I spent 64 minutes reading and learning my spellings.
What is the difference between the amount of time I spent on my homework on each day?