Nicole's job pays her salary plus commission. she earns a daily salary of $60 plus 15% commission of her total sales. on monday, she earned a total of $63.75. what were her total sales?

her total sales is 25

Step-by-step explanation:

Let x represent her total sales.

Nicole's job pays her salary plus commission. She earns a daily salary of $60 plus 15% commission of her total sales. This means that the amount that she receives for x total sales would be

60 + 15/100× x

= 60 + 0.15x

On Monday, she earned a total of $63.75. This means that

63.75 = 60 + 0.15x

63.75 - 60 = 0.15x

0.15x = 3.75

x = 3.75/0.15 = 25

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: