Sierra spent 2 hours on homework she spent 25% of that time on her math homework how many minutes did sierra spent on math homework?

Okay.

25% of 2 hours.

2 hours = 120 minutes.

25% = 1/4

120 divided by 4 = 30.

1/4 of 120 = 30

25% of 2 hours = 30 minutes.

Sierra spent 30 minutes on math homework.

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