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Heather finished a race in 58.4 seconds, which was 2.6 seconds less than her practice time. Write and solve an equation to find Heather's practice time. Show that your answer is reasonable.
Practice time P seconds Timing in the Race : R = 58.4 seconds Improvement Record I = 2.6 seconds Race timing = Practice timing - Improvement record R = P - I 58.4 seconds = P - 2.6 seconds
Take 2.6 seconds to the left hand side, 58.4 sec + 2.6 sec = P P = 61.0 seconds
Now, subtract improvement record time from Practice time, you get the race time.
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