The answer to your question is A.
answer: 3.6

does this make sense to you? Do you have any questions about raising numbers to a negative value?
Whats the question? The cheapest is B and 10 percenct off is 900 on that 1,000 and A is 50 $ more expensive then B
3 years ago<span>Let x = a certain number of cookies
5x = 3x + 20
5x - 3x = 20
2x = 20
x = 20/2
x = 10
John: 5x = 5(10) = 50
Jerry: 3x + 20 = 3(10) + 20 = 30 + 20 = 50
They both have 50 cookies a piece</span>