February 20, 2015
HW: SoE Word Problems/2-18 even, omit 14
Warm up:
Solve.
1) 2x + 3y = 12
3x + 2y = 13
2) s + 2t = -7
3s - 8t = 7
February 20, 2015
The sum of two numbers is 25 and their
difference is 7. Find the numbers.
February 20, 2015
Cory has $24 more than twice as much as Stan.
Together they have $150. How much money
does each have?
February 20, 2015
Sam has 30 nickels and dimes worth $2.40.
How many nickels does he have?
February 20, 2015
A person invests $5000 in treasury notes and
bonds. The notes pay 8% annual interest and
the bonds pay 10% annual interest. If the annual
income is $480, how much is invested in
treasury notes?
February 20, 2015
HW Solutions
February 20, 2015
February 20, 2015
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February 20, 2015
McQuiz Solutions
February 20, 2015
pg. 434/5-11 odd, 15, 17
Round Table
1 - Write system of equations
2 - Solve system of equations
3 - Interpret answer