Which answer describes the calculations that could be used to solve this problem? Chelsea bought 6 tickets for the county fair. Each ticket cost $7. She gave the clerk $50. How much change would Chelsea get? A. Multiply $50 × 6. Then add $7 to the product. B. Multiply 6 × $7. Then subtract the product from $50. C. Add $7 + $6. Then subtract the sum from $50. D. Divide $50 ÷ 6. Then add $7 to the quotient.