Keep in mind x >0 since x is a measurement of length.
Un pentágono es un paralelogramo cinco caras
Answer:
9 packages of chocolate bars
Step-by-step explanation:
Let he bought c packages of chocolate bars and t packages of toffee bars,
Since, he bought 1 fewer package of chocolate bars than toffee bars.
⇒ c = t - 1 -----(1)
Also, he handed out out
of the chocolate bars and
of the toffee bars,
If he handed out the same number of each kind of candy bar.

( By cross multiplication )
( Division property of equality )
From equation (1),





Hence, he bought 9 packages of chocolate bars.
Perdenicular lines I think
There would be
"five ways" to bring three DVD's. If you divide fifteen by three there would be five.

To prove your work:

Hope this helps!