Arianna planned to spend $⁢200 on entertainment this month, but an unexpected medical bill of $⁢150 occurs. How much can Arianna now spend on entertainment if she decides to adjust this discretionary expense to cover the medical bill?

Arianna has $200 planned for entertainment and needs to cover a $150 medical bill. If she adjusts entertainment spending to pay the bill, subtract $150 from $200: $200 − $150 = $50. She can spend $50 on entertainment, which is choice A.

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