All you would need to do is divide 450 by 18. This equals 25. So, 25 pens should be put into each pack.
I hope this helps you! Comment if you have any questions or need help with anything else. :)
Do 450 divided by 18, which equals 25
It's D 4 3/8 miles
First you have to multiply 2 1/2 for the mile and 1 3/4 for the inches. You will get 4.375.Convert it to fraction which is 35/8 and simplify it to get 4 3/8.
Hope this helps!
X/2.1<4 X<4×2.1 X<8.4
