Answer:
Explanation:
1. b x 7 + c x 8 = $106
2. b x 6 + c x 9 + $108
1. 6 x 7 = 42 + 8 x 8 = 64 + $106
2. 6 x 6 = 36 + 8 x 9 = 72 = $108
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