ACT 2018 December(B05) Math Question 20 Explanation - ACT Helper

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2018 December(B05) Math Question 20
Algebraic & Function Expressions
- Systems of Equations
Choice H
$$A: 10\times5+12\times10+5\times6=200$$ $$B: 10\times5.5+12\times9.5+5\times5.75$$ $$=55+114+28.75$$ $$=197.75$$ $$200-197.75=2.25$$
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