School Date:
Perform and explain the given expression in the problem
Correct
Answer
Expression
Interpretation
Explanation
Mathematical
Operation
Used
Betty had 54,500
in her bank
account. Over the
summer period
she made 4
withdrawals of
PS.500 each and a
deposit of
18.800. Find the
total amount of
money left in her
bank account
Simplify the order
of operations to
represent this
situation.​

26

step-by-step explanation:

idkit the do u know da way and ligma consumed ninja

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