Answer :
x^2 -2x + 4 and rest -15
x^2 -2x + 4 and rest -15
Don has an album that holds 600 coins. Each page of the album holds 6 coins. If 68% of the album is empty, how many pages are
1 answer:
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The expression in company B represents that is is in arithmetic progression where first term is 42000 and common difference is 1800 . So we have to use the formula of sum of n terms which is
Where a is the first term, n is the nth term, d is the common difference
On substituting there values,we will get
= 15(84000+52200) = 15*136200 =2043000
And for company A, it is
Difference between them =2043000-2002500= 40500
So the correct option is the second option .