N10
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choose the approximate percentage that completes each numerical relationship.
3 is about of 23.

14 is about of 32.

10 is about of 12.

10%20%30%40%50%60%70%80%90%

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Find the amplitude of a sinusoidal function that models this temperature variation