Acell phone company charges $42 per month of service the cost of a new cell phone plus 8 months of service is $415.99 how much does it cost to buy a new cell phone and 3 month of service

1247.97 so you have to skip count

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?