ACT 2010 April(68G) Math Question 17 Explanation - ACT Helper

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2010 April(68G) Math Question 17
Word Problems
- 1 Variable Equations
Choice B
$r e d : r, b l u e : b$ $L a n c e = 3 m e d i u m + 3 l a r g e$ $m e d i u m = 5 r + 3 b$ $l a r g e = 10 r + 5 b$ $L a n c e = 3 (5 r + 3 b) + 3 (10 r + 5 b)$ $= 15 r + 9 b + 30 r + 15 b$ $= 45 r + 24 b$ $\Rightarrow 24 b l u e$
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