Answer:
6%
Step-by-step explanation:
principal =6000$
time=9years
simple interest=3,240$
now,
Rate=SI ×100/P×T
=3240×100/6000×9
=324000/54000
=6%
The answer is B. Carlos worked two hours and earned $20
Answer:
x = 12
Step-by-step explanation:
5x + 15 = 75
-15 -15
5x = 60
x = 12