4. Solving Absolute Value Equations
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Minimum Weight: 410 grams
Maximum Weight: 450 grams
lc x-430 ≥ 0:x-430 = 20 & (I) x-430 < 0:x-430 = - 20 & (II)
(I), (II): LHS+430=RHS+430
423 - 16 = 407 The ball now weighs 407 grams. In Part A we found that the minimum acceptable weight is 410 grams, which is more than our ball weighs. 407 < 410 Therefore, the ball weighs less than the minimum acceptable weight and is not acceptable.