Quant 1 Flashcards
What is 1/6 decimal and percentage equivalent?
.167 or 16.7%
What is 5/6 decimal and percentage equivalent?
.833 or 83.3%
What is 1/8 decimal and percentage equivalent?
.125 or 12.5%
What is 3/8 decimal and percentage equivalent?
.375 or 37.5%
What is 5/8 decimal and percentage equivalent?
.625 or 62.5%
What is 1/7 decimal and percentage equivalent?
.143 or 14.3%
What is 2/7 decimal and percentage equivalent?
.286 or 28.6%
What is 3/7 decimal and percentage equivalent?
.429 or 42.9%
What is 4/7 decimal and percentage equivalent?
.571 or 57.1%
What is 5/7 decimal and percentage equivalent?
.741 or 74.1%
What is 6/7 decimal and percentage equivalent?
.857 or 85.7%
Method to compare fractions of different sizes
A/B > C/D if AD>CB
Adding & Subtracting Fractions w Unlike Denominators
Adding: A/B + C/D = (AD + BC)/BD
Subtracting: A/B - C/D = (AD - BC)/BD
Unit Digits of Perfect Squares
1, 4, 5, 6, and 9
Unit Digits of Non-Perfect Squares
2, 3, 7, or 8
Squaring & Roots of # Between 0 and 1
If 0<X<1, then
X^2 < X < Square Root of X