Unformatted text preview: on! *Proportion = Two ratios that are equal.
Equal?
3 = 9
6 = 24
4 12
7 35
To Solve a Proportion.....Cross Multiply!!
2 = 8
>
2 x = 5 8
5 x
(extremes) (means)
*Rate = Ratio w/ 2 different units of measure.
Ex: 12 in.
55 words
$10
1 ft.
1 min.
hour
*Scale = Ratio that compares actual size to model size. Use when objects are too large or too small.
Ex: scale:real > 3 in:20 mi OR scale = scale > 3 in. = 8 in. actual actual 20 mi x
Algebra I Chp. 2.6 Ratios and Proportions O...
View
Full Document
 Fall '13
 AudreyVanHoose
 Algebra, Fractions, Ratios, Harshad number, 2 hours, miles, actual size, 1 min, $10 1

Click to edit the document details