Answer:
B. 
Step-by-step explanation:






Given that

and

, if

is an arithmetic sequence, then the common difference between successive terms is

.
You then have




So the explicit formula for the

th term is
The answer is actually 164.1 because I learned how to multiply this. :)
You will need 89 drums to ship out 5,300 liters if each drum holds 60 gallons.
Answer:
Step-by-step explanation:
we have 105 marbles
number of blue marbles= x
green marbles= x+25
x+x+25=105
2x=105-25
2x=80
x=40 blue marbles