Answer:
Evaluate each expression for a = 4, b = 2, and c = 5.
c − a
Let x be the number of pages of advertisements.
Write a proportion from the table:
of a page of advertisment - 5 pages in a magazine
x pages of advertisment - 98 pages in a magazine,
then
Find x:
Answer: 13 whole pages and 
of 14th page are advertisments, so 14 pages contain advertisments.
You need to expand the brackets on both sides and then you can break it down
Answer:
$1.50 for hamburgers, and $0.75 for fries.
Hope this helps you! Have an amazing day :)
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