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OpenStudy (anonymous):
story prom help in comment
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Directrix
OpenStudy (texaschic101):
50d + 0.5m = 500 70d - 0.5m = -20 -----------------add 120d = 480 d = 480/120 d = 4 70d - 0.5m = -20 70(4) - 0.5m = -20 280 - 0.5m = -20 -0.5m = -20 - 280 -0.5m = - 300 m = -300/-0.5 m = 600 check... 50d + 0.5m = 500 50(4) + 0.5(600) = 500 200 + 300 = 500 500 = 500 (correct) 70d - 0.5m = -20 70(4) - 0.5(600) = -20 280 - 300 = -20 -20 = -20 (correct) answer, I believe, is 600 miles and 4 days
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