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19 September, 04:51

Eric lives 21 miles away from where he works. After leaving his workplace, he drives at a constant speed of 42 miles per hour for 12 minutes. If Eric continues driving at this speed, how many more minutes will it take him to reach home?

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  1. 19 September, 05:19
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    He's driving 42mph. 42m/60h=0.7mpm. 12 minutes x 0.7 mile per minute = 8.4 miles. 21-8.4=12.6 miles left. 12.6 x 0.7 = 8.86 minutes left or about nine
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