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Clarified that the answer is wanted in units of second in both the pr…

…oblem statement and in the hint.
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1 parent eb1768b commit c07a8768462828c95c8b3e1e1fc08d83294f6e74 @jklange jklange committed Jan 12, 2012
Showing with 3 additions and 3 deletions.
  1. +3 −3 exercises/adding_and_subtracting_decimals_word_problems.html
@@ -71,13 +71,13 @@
<div class="question spin">
<p>{On Monday|Last week}, <var>person(1)</var> and <var>person(2)</var> decided to see how fast they could sprint <var>meters</var> meters. They asked their friend <var>person(3)</var> to time them with a stopwatch.</p>
<p>{After <var>time_3</var> minutes, <var>person(3)</var> agreed to time the runners</var>.|} <var>person(1)</var> sprinted first and ran <var>meters</var> meters in <var>time_1</var> seconds. When it was <var>person(2)</var>'s turn, <var>he(2)</var> sped off and completed the run in <var>time_2</var> seconds.</p>
- <p class="question">How much faster was <var>person(2)</var> than <var>person(1)</var>?</p>
+ <p class="question">How much faster was <var>person(2)</var> than <var>person(1)</var> in seconds?</p>
</div>
<div class="solution"><var>time_1-time_2</var></div>
<div class="hints">
- <p>To find how much faster <var>person(2)</var> was than <var>person(1)</var>, we need to find the difference between their times.
- <p><var>person(1)</var>'s time - <var>person(2)</var>'s time = difference in times.
+ <p>To find how much faster <var>person(2)</var> was than <var>person(1)</var>, we need to find the difference between their times in seconds.
+ <p><var>person(1)</var>'s time <var>person(2)</var>'s time = difference in times.
<div class="graphie" id="numbers">
graph.subtractor = new DecimalSubtractor( time_1_integer, time_1_decimal, time_2_integer, time_2_decimal );
graph.subtractor.show();

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