5. Kai has $4.95 left on a music download gift card. She has a download costing $1.98 in her online shopping cart. How many more songs x can she download
if each song costs $0.99?
a) 0.99x + 1.98 24.95 0.99x + 1.98 5 4.95

can someone answer this question plz

step-by-step explanation:

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

, 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