21 hours
73.50 x 3.50 = 21 hours
Answer:
and?
Step-by-step explanation:
The area of a rectangle is:
A = length × width
A rectangular television screen has an area:
A = w² + 2w inches²
width = w
length = A / width = (w² + 2w) / w = w(w + 2) / w = <u>w + 2</u>
Ansver:
<h2><u>
length = w + 2</u></h2><h2><u>
</u></h2><h2><u>
</u></h2>
77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99
$478 by using the provided formula ...
Explanation : income = $523 , expense = $ 45 , profit =523-45= 478
