Calvin earn $1, 425 by working 5 days in a week. he also received a bonus of $200. what is the average amount that he earned per day?

The amount of money Calvin earns by working 5 days in a week is $1,425. The problem says that he received a bonus of $200. So, the total amount of money he earns that week is:

The average amount that he earned per day is calculated by dividing the total amount of money he earned by the number of days. Therefore:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11