*a turtle and a snail start moving towards each other when they are 200 feet apart. the turtle is running at a speed of t feet per minute, and the snail is moving at a speed of s feet per minute. how soon will they meet?

        200 ft               200

t = = min

      (S + T) ft/min      S + T

Step-by-step explanation:

Recall that distance = (rate)(time).

The distance traveled by the turtle in t minutes is dt = (T ft/min)(t), and

the distance traveled by the snail in t minutes is ds = (S ft/min)(t).  We know that ds + dt must be 200 ft.

Thus,

(S ft/min)(t) + (T ft/min)(t) = 200 ft.

The variable t, representing elapsed time, is common to both terms on the left.  Thus,

        200 ft               200

t = = min

      (S + T) ft/min      S + T

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step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.