Unformatted text preview: ctober 29, 2012 Examples:
Ex. 1 Determine if the ratios are equivalent.
a) 6 and 2
b) 1
and 10
5
6 5
30 Ex. 2 Determine if the ratios form a proportion.
a) 15 and
35
b) 2
and
8
36
42
3.5
14 Ex. 3 Solve the proportion.
a) 3 = 2
x 8 b) 5 = 7
x x c) x 4 = 7 2 d) 3m 2 = 3m + 3
2
3 Ex. 4
a) Dave's boat uses 5 gallons of gas in four hours. At this rate, how many gallons would he use in 10 hours? b) It takes Mary 2 1/2 hours to paint a room with wall space of 400 square feet. At this rate, how long will it take her to paint a room that has 720 square feet of space? c) On a road map, the scale is 5 in = 144...
View
Full
Document
 Fall '13
 AudreyVanHoose
 Algebra, Fractions, Ratios

Click to edit the document details