Mathematics, 29.05.2020 16:59 Jana1517

Last night, Roberto spent 90 minutes doing homework, infinity symbol hour reading, and 540 seconds making his lunch for the next day. How many more minutes did Roberto spend doing homework than he did reading and making his lunch? 81 minutes 50 minutes 49 minutes 41 minutes

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Last night, Roberto spent 90 minutes doing homework, infinity symbol hour reading, and 540 seconds m...