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
$A : 10 \times 5 + 12 \times 10 + 5 \times 6 = 200$ $B : 10 \times 5.5 + 12 \times 9.5 + 5 \times 5.75$ $= 55 + 114 + 28.75$ $= 197.75$ $200 - 197.75 = 2.25$
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