Dawson has 3 more tokens than twice the number of tokens that Rachel has. Dawson has 21 tokens. What is the total number of tokens Rachel has?

the answer to this question is "motor unit"

depends on how many days you are talking about

step-by-step explanation:

if you need , reply with more info. u.

, 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