Answer:
C: 4
Step-by-step explanation:
You call the number x. Then you do (x-7) * 3= -9.
3x-21=-9
3x=12
x=4
He will have $34,562.50 in his account after 9 years.
Answer:
$8.50hr+ $100=x
Step-by-step explanation:
His $8.50 per hour is given to him plus $100 bonus.