Question

Hi, I have this question to answer and I am just really confused I don't know where to begin we haven't had a question like this so I'm totally bewildered. Anyway here is my question. Any help is greatly appreciated! Thank you so much for your time!!!
Ellen is at a hydroplane boat show starting from 1.0 miles away the boat drives toward her and then passes her the boat travels at a constant rate of 70 miles per hour the distance of the boat from ellen is given by d=|1.0-70t| at what time is the boat 0.15 miles from ellen calculate your answers in seconds.
Answer choices: A: 42 seconds and 61 seconds B: 40 seconds and 50 seconds C: 437 seconds and 591 seconds D: 43.7 seconds and 59.1 seconds

Answer 1

   i think it is D. 43.7 and 59.1 seconds