Question

Annabelle works in a deli and has been tracking the daily sales of different items over several months. Anabelle found that when there was an increase in the number of cups of hot chocolate sold, the number of cups of coffee sold also increased similarly, when there was a decrease in the number of cups of hot chocolate sold, the number of cups of coffee also decreased

Answer 1

When hot chocolate sales increase, so do coffee sales, but the sale of one does not increase the other. There were just more customers that day.

Explanation: