PLEASE HELP USING ALL MY POINTSSS 1. A jewelry salesperson earns a base salary of $200 a week plus 25% of all of her sales over $300. This situation can be represented by the expression: 200+.25(x−3

PLEASE HELP USING ALL MY POINTSSS

1. A jewelry salesperson earns a base salary of $200 a week plus 25% of all of her sales over $300. This situation can be represented by the expression:

200+.25(x−300)

Which of the following describes the meaning of the variable "xx" for this situation?

A) the amount of commission earned

B) the total amount of sales after the first $300

C) the total amount of sales

D) the total amount of salary earned

2. Ms. Kincaid keeps a supply of dimes and quarters in her car to pay for highway tolls. A week’s supply of toll coins contains 5 more dimes than quarters and totals $4.00. How many quarters does Ms. Kincaid spend on highway tolls in one week?

A) 15

B) 40

C) 16

D) 10

3. Erica, a sales clerk in a sporting goods store, earns a base salary of $1,500 per month plus a commission of 5 percent on monthly sales over $500. If Erica received $1,700 for the month of July, how much were her monthly sales?

A) $3,200

B) $4,000

C) $4,500

D) $3,700

4. This year, John played in 10 baseball games. In these games he had hit the ball 2, 3, 0, 1, 3, 2, 4, 0, 2, and 3 times. In the first 10 games he plays next year, John wants to increase his average (mean) hits per game by 0.5. What is the total number of hits John needs over the first 10 games next year to achieve his goal?

A) 5

B) 25

C) 20

D) 2