Casey spends $50 a week on entertainment. Kelly spends 10% less than Casey and Megan spends $5 less than Kelly. Which expression represents how much Megan spends? (w represents weeks

Step-by-step explanation:

Let w represents the number of weeks that they spent money on entertainment.

Casey spends $50 a week on entertainment. It means that in w weeks, Casey spends $50w

Kelly spends 10% less than Casey. The value of 10% is

10/100 * 50w = 5w

The amount that Kelly spends would be

50w - 5w = $45w

Megan spends $5 less than Kelly. Therefore, the expression that represents how much Megan spends would be

45w - 5