SOLUTION: use the grid below to help you map out and solve the following problem. Jada is on her mountain bike and competing in a race. she starts at point a and rides in a direct line to po

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Question 1117678: use the grid below to help you map out and solve the following problem. Jada is on her mountain bike and competing in a race. she starts at point a and rides in a direct line to point b which is 15 km west and 8 km south of her starting point. Determine how long the race is and also how long it should take her, in minutes, if she believes she can average a speed of 18 km per hour.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
If travel is in a direct "line", then distance sqrt%2815%5E2%2B8%5E2%29
or sqrt%28225%2B64%29=sqrt%28289%29=17 kilometers.

18=17%2Fx

Answer by ikleyn(52871) About Me  (Show Source):
You can put this solution on YOUR website!
.
"Direct line" in Math is called "straight line".