A store gave away 1,932 calendars in 7 days. They gave away the same number of calendars each day. How many calendars did the store give away each day? A. 266B. 276C. 281D. 776

1,932

Step-by-step explanation:

A.266B wbs wcbw zb wsb wbs nw zn wzn bs wb zbw zbw b. Nw b wb zwb z

it's

, 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