Sarah5678 Sarah5678

01-11-2017
Mathematics

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How would I solve letter j? Plz help!

How would I solve letter j Plz help class=

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liemonder liemonder

01-11-2017

1 mile in feet=5280
1/2 mile in feet=2640

relevant time length (between 10 and 55 seconds):
55-10=45

feet per second: speed=distance/time
2640/45=528/9=176/3=58+(2/3)=58.7 feet per second

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