Hey there! :)
Answer:
$96 spent.
Step-by-step explanation:
Set up a proportion to determine the amount spend for 72 sheets. Express it in sheets/amount spent:

Cross multiply:
6 · x = 8 · 72
6x = 576
Divide:
x = $96 spent for 72 sheets.
Answer:
Step-by-step explanation:
We will subtract the amount of water that leaked out from the amount of water originally in the fish tank.

The fish tank is
of the way full.
Answer:
+ 1) is an even number.
Take any n ∈ N, then n is either even or odd.
• Suppose n is even ⇒ n = 2m for some m ⇒ n(n + 1) = 2m(n + 1) ⇒ n(n + 1) is even.
• Suppose n is odd ⇒ n+ 1 is even ⇒ n+ 1 = 2m for some m ⇒ n(n+ 1) = 2nm ⇒ n(n+ 1)
is even. QED
2. The sum of the first n natural num
Step-by-step explanation:
a>50A is greater than 50
a<50a<50
a≥50A is greater than or equal to 50
a≤50
Answer:
Hope this helps!
Step-by-step explanation:
Brianna did it right, and 552 divided by 23 is 24!
Please give brainiest if you think my answer is good :)