You are looking at a new MP3 player that holds 6 gigabytes. Each song is about 0.0004 gigabytes. How many songs will you be able to download onto this new MP3 player?

divide six gigabytes by 0.0004 and you get your answer

Step-by-step explanation:

look a the sides they are perpendicular

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for