Restaurant Receipts Cards - Highland Park ISD
Restaurant Receipts Cards - Highland Park ISD
Restaurant Receipts Cards - Highland Park ISD
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Mixing It Up (pp. 4 of 5)<br />
Algebra 2<br />
HS Mathematics<br />
Unit: 05 Lesson: 02<br />
Continue setting up and solving systems for these situations.<br />
5) When extreme athletes compete at a motorcycle jumping competition, judges give them scores<br />
on a scale of 0-10 in three categories: use of fundamentals, degree of difficulty, and overall<br />
style. However, these categories are not weighted equally in determining the final score.<br />
Funda- Difficulty<br />
score<br />
Final<br />
Style<br />
mentals<br />
D. Howser 7.4 8.2 8.8 8.01<br />
R. Finn 7.4 7.8 9.6 8.23<br />
J. Hoban 8.0 7.6 8.6 8.15<br />
=<br />
=<br />
The table shows how the category<br />
scores for three riders determined their<br />
final rating.<br />
By what percent is each category<br />
weighted?<br />
Solutions:<br />
System:<br />
=<br />
Matrix Equation:<br />
6) At the lake, Curtis caught three fish. He wanted to weigh<br />
the fish individually, but his scale was broken--It could only<br />
read weights between 5 and 10 pounds. So he weighed<br />
the large and medium fish together, and got 7.8 pounds.<br />
The large and small fish weighed 7.0 pounds, and the<br />
small and medium fish were 5.6 pounds.<br />
How much did each fish weigh individually? What was the total weight of all three fish?<br />
Solutions:<br />
=<br />
=<br />
System:<br />
=<br />
Matrix Equation:<br />
©2010, TESCCC 08/01/10 page 27 of 40
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