Answer:
6.9
7.-5
8.-10
Step-by-step explanation:
Answer:
Step-by-step explanation:
9(y = 1/9x + 5)
9y = x + 45
-x + 9y = 45
x - 9y = -45
Answer:
10
Step-by-step explanation:
Answer:
His total income is of $1,371.2.
Step-by-step explanation:
His salary is of $500, plus 8% of his sales.
In this question:
Sales of $10,890. So his salary is given by:

His total income is of $1,371.2.