5-ACT+practice+and+help

Quick Tips
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 * Tip 1: write down the problem
 * Tip 2: use mental math when possible
 * Tip 3: Use the quickest math strategies to solve the problem
 * Tip 4: Know what you are looking for

Examples
In our opinion, you can use either substitiontion or elimination for the fasted method to solve for x and y.
 * 5x-4y=9
 * 2x-5y=-10


 * A total of $12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly interest is $1,180, how much of the $12,000 is invested at each rate?

This example, is of a word problem that you might run into on the ACT.

