To help set up the maths festival you had to work 30 hours of overtime. The overtime rate at the arena is £11.00 per hour. You think you earned £330. Select which of the inverse calculations below would allow you to check your answer.

$250 deductible means jane must pay the first $250 of her bill. so the insurance company paid = (80% of bill) - deductible = (0.8 x $2550) - $250 = $2040 - $250 = $1790 and jane's cost is = (bill) - (insurance payment) = $2550 - $1790 = $760