Quant: Fundamentals Flashcards
Before you multiply a fraction, you should check it can be [blank] first
Reduced
When you split up a denominator of a fraction?
never
You should [blank] fractions at every step during a problem to make it easier
Reduce
what is the mathematical translation of “percent” when setting up a percentage problem
/100
what is the mathematical translation of “of” when setting up a percentage problem
multiply (x)
what is the mathematical translation of “what” when setting up a percentage problem
x,y,or z (any variable
what is the mathematical translation of “is, are,were “ when setting up a percentage problem
= (equal sign)
Quick way to find 1% of any number
move decimal two places to the left
quick way to find 10% of a number
move decimal one place to the left
quick way to find 5% of a number
use the quick method to calculate 10 percent and then cut it by half
When you see percentage problems, what should you do at the beginning before you start solving?
Check the available responses to see how detailed you’ll need to be. If they aren’t close, then you can be more rough with your calculation to save time
Formula for percent change
(new-old)/old x 100
1/2 as a decimal
0.5
1/2 as a percent
50%
1/3 as a decimal
.33 (repeating)