Answer:
426
Step-by-step explanation:
Subtract 247 from 673 to get 426
Answer:
First, subtract
from both sides.
Then, <em>divide</em> both sides by 4.

Answer:
<h2>v = 11</h2>
Step-by-step explanation:

Let
denote the number of seats in the
-th row.
is arithmetic, so

for some constant
.
We're told
and
, so that



and so on up to

The pattern continues:


and so on up to

Answer: Ryan ate 1/4 of the pie.
Step-by-step explanation:
Joseph ate 3/4 of the pie, meaning only 1/4 remained. Ryan ate that remaining 1/4.