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.
18 miles per hour is how fast you would go
Split the second term in 5x^2 + 12 - 32 into two terms
5x^2 + 20x - 8x - 32
Factor out common terms in the first two terms, then in the last two terms
5x(x + 4) - 8(x + 4)
Factor out the common term: x + 4
<u>(x + 4)(5x - 8) </u>
One century is 100 years, therefore 800 years is 8 centuries.