How do you solve -5/4(12) - 3/5(20)?
The problems provide a path for gentle introduction of algebraic concepts. Problem based learning provides the initiative for learning new things through the need to do so.
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(((-5) / 4) * 12) - ((3 / 5) * 20) = -27 ChaCha On!
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If the expression itself is -5/4(12) - 3/5(20), you'd multiply -5/4 and 12/1 to get -15, multiply -3/5 and 20/1 to get -12, and then combine -15 and -12 to get -27. I see you've asked this a number of times, so if there was something else you wanted to know here, or if you aren't getting the answer you were looking for, please clarify / add more details.
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The expression (((-5) / 4) * 12) - ((3 / 5) * 20) is equal to exactly -27. ChaCha!
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-5/4 (12) - 3/5 (20) ChaCha!
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Possible sizes are 6×10, 5×12, 4×15 and 3×20. ChaCha 24/7!
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