Answer:
Step-by-step explanation:
1.15×$42.50 = $48.875 ≅ $48.88
$48.88
42.50 increase 15% =
42.50 × (1 + 15%) = 42.50 × (1 + 0.15) = 48.875
Substitute n = 12:
it would be x>-18