Answer:
$40
Step-by-step explanation:
You have two sweatshirts that cost $30 more the day after.
First, you do 
Second, you divide what you got above ($280), by 7 and voila, you have $40 per sweatshirt.
If the series is

then it is geometric, which we know converges as long as the base is smaller than 1 in absolute value, i.e.

. "Expanding" the absolute value, this is equivalent to

When

is in this interval, the geometric sum converges to
The Answer is -9/8 mark brainliest
Answer:
x=28
Step-by-step explanation:
|28-x|=0
|28-28|=0
x=28
I believe it's 4. 1/2 = 1/4
so, 1/2 + 1/2 + 1/2 + 1/2 would be 4/4...