There is a specialty store that you like to go to when you are craving jelly beans. The price is reasonable at $1.30 per pound.
The store is a bit of a distance away and you could purchase the same jelly beans at your neighborhood supermarket, but the cost is a little more at $2.10 per pound. You spend about $3 on gas every time you go to the specialty store. How do you know if you are getting enough of the jelly beans to make the trip worthwhile?
What two equations would you use to determine your break-even point?
(Let C stand for the total cost and x represent the amount of jelly beans.)
What two equations would you use to determine your break-even point?
(Let C stand for the total cost and x represent the amount of jelly beans.)
2 answers:
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It's a factor. This concept is widely used throughout algebra, and you'll probably bump into it through the end of high school and beyond.
A common use is expressing a term in <em>prime factorization</em>, or reducing a number to its most base parts- primes. For example:
Of course, a number like 13 which is already prime is made up of itself and 1. <em>Factors do not have to be primes.</em> 20 is also reducible through combinations of 1, 2, 4, 5, 10, and 20. Prime factorization is just a handy example.
Basically, factors multiply with each other to create other numbers, and numbers can be reduced down to their factors.