25 POINT'S!!!!!!! HELP ASAP
Lee's staying at a hotel the cost of the first night is 240 the cost for each night after that is 210 let y represent the total cost of staying at the hotel for X nights which type of sequence does the situation represent
A the situation represents a arithmetic sequence because the successive y values have a common difference of 210
B the situation represents a geometric sequence because the successive y values have a common ratio of 210
C the situation represents and an arithmetic because the successive y values have a common difference of 30
D the situation represents a geometric sequence because of the successive y values have a common ratio of 30