Answer:
10408 ft
Step-by-step explanation:
convert miles to ft
4 miles/hr * 5280 ft/ mile = 21120 ft/hr
convert hr to min
21120 ft/hr * 1hr/60 min = 352 ft/ min
multiply by 40 minutes
352 ft/min * 40 min =14080 ft
4/5 is NOT equivalent to 45%
4/5 = 80%
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Find the negative reciprocal of the slope of the orginal line. Undefined
