Multiply both sides by x so that x will be in the numerator
Answer:
See below
Step-by-step explanation:

its only showing "help i will mark brainliest"..?
Answer:
2.5
Step-by-step explanation:
This is a geometric sequence that increases by 2.5x.
120 x 2.5 = 300
300 x 2.5 = 750
Hope this helps!