Alexa works for an ice cream cart vendor . She receives $28 for taking the cart out for a shift plus a commission of $0.15 for each item she sells . Alexa worked a shift Saturday and earned $ 49.30 . Write equation to solve for x, the number of items Alexa sold?

28 + 0.15x = 49.30

Step-by-step explanation:

hope this helpss

Step-by-step explanation:

Will you be my valentines:)

4.08%

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