7­1.notebook
March 21, 2011
7-1 Ratio and Proportion
Ratio - compares two numbers by division.
Can be written as
a/b
or
a to b
or
a:b
7­1.notebook
Proportion - an equation stating that two ratios are equal.
March 21, 2011
7­1.notebook
March 21, 2011
7­1.notebook
March 21, 2011
HW: p. 457 #1-16