This year, a beauty magazine had 98 subscribers. That is 80% fewer than they had last year, before its parent company made some changes. How many subscribers did the magazine have last year?

78.4 is your answer, if you dont round it

Step-by-step explanation:

take 98 and multiply it by .80. And you can also subtract 98 from 78 if you want

the answer is c hope it

step-by-step explanation:

, 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