14x0.75=10.5
15-10.5=4.5
so she will get $4.50c
Hope this helps! :D

<u>Given expression is </u>

can be rewritten as

We know,

And

So, using this identity, we


can be further rewritten as





<u>Hence, </u>

Step-by-step explanation:
each pack 15 pencil
n* 15= 15n