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toof
Answers (1)
For this question you can say d = 15 feet so we need the t then you can say : 15 = l 130 - 25t l ⇒ because of the absolute value you should say : 1) 130 - 25t = 15 ⇒ -25t = 15 - 130 ⇒ - 25t = -115 ⇒ t = 115/25 = 4.6 sec 2) 130 - 25t = - 15 ⇒ -25t
