2.50x=90
X stands for the number of times he can ride the bus.
To solve this, you'd take 90/2.5 which is equivalent to 36. He would be able to ride the bus 36 times.
The 4th term of the sequence can be determined as,

Thus, option (b) is correct.
Full question attached
Answer:
Greenland offers the lowest unit rate, dollars per pound
Step-by-step explanation:
For McCoy, $4.5 = 5 pounds
Therefore $1 = 5pounds/4.5= 1.11 pounds
1 pound= 1/1.11= $0.9009
For Eat smart
$3=2 pounds
Therefore $1=2pounds/3 = 0.667 pounds
1 pound = 1/0.667= $1.499
For Greenland
$1/5= 1/4 pounds
$0.2=0.25 pounds
$1= 1.25 pounds
Therefore 1 pound= 1/1.25= $0.8
For Mother Nature
$0.95= 1 pound
Therefore Greenland offers the lowest unit rate at $0.8 per pound
You would multiply 50x16 being 16 ounces= 1 pound and than divide that by 10
22 dollars, because if we add 10 onto that grand total then divide we get what it would cost one 1 day which seems to be 22 dollars