Alexander purchased a computer on sale here is no price $1200 the sale price was 5/6of the original price how much did Alexander pay for the computer

1,440

Step-by-step explanation:

If the price was 5/6 of the original price than, divide 1200, by 5, which equals 240, then multiply by 6, which makes the product a total of 1440$

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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

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