Carol went on a holiday to Bristol. Her flight cost $397 in total.

She stayed in a hotel for 6 nights. Her room cost £28.43 per night.

She ordered breakfast for 4 mornings. The breakfast was £5.15 every morning.

The exchange rate is £1 = $1.37.

Work out the total cost of her holiday to Bristol in dollars.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?