Johnny can type an 600 word essay in just 8 minutes how long will it take to type an 2100 word essay

To start you off:
You know how long it takes Johnny to type a 2100 essay. You don't know how long for a 600 word essay.

First, find how the rate that Johnny types. For example, you could find out how fast Johnny types in 1 minute instead of 8

600/8=300/4
300/4•7=2,100/28
So it would take him 28 mins

I’m tome

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?