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USING TOOLS In Exercises 23-26, use a graphing calculator to solve the system of linear equations.
23. 0.2 x+0.4 y=4
-0.6 x+0.6 y=-3
24. -1.6 x-3.2 y=-24
2.6 x+2.6 y=26
25. -7 x+6 y=0
0.5 x + y=2
26. 4 x-y=1.5
2 x + y=1.5

27. MODELING WITH MATHEMATICS You have 40 minutes to exercise at the gym, and you want to burn 300 calories total using both machines. How much time should you spend on each machine? (See Example 3.)

USING TOOLS In Exercises 2326 Use A Graphing Calculator To Solve The System Of Linear Equations 23 02 X04 Y4 06 X06 Y3 24 16 X32 Y24 26 X26 Y26 25 7 X6 Y0 05 X class=

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