484 Chapter 5 Summary and Review
- Write each statement as a proportion.
a. 20 is to 30 as 2 is to 3.
b. 6 buses replace 100 cars as 36 buses replace
600 cars. - Complete the cross products.
Determine whether each proportion is true or false by
simplifying.Determine whether each proportion is true or false by finding
cross products.Determine whether the numbers are proportional.- 5, 9 and 20, 36 34. 7, 13 and 29, 54
Solve each proportion.x
3005,000
1,500
2
3
1
2
x
0.254
5
1
1
20
2
2
3
x1
9
11
x3
1
3
2
3
4
0.08
x0.04
0.06
4.8
6.6
x
9.94
x2
8
12
18
3
x11
23
1
31
41
1
73.5
9.3
1.2
3
17
7
51
21
9
27
2
6
4
18
10
45
8
12
3
7
2
9
6
27
27 9
- TRUCKS A Dodge Ram pickup truck can go
35 miles on 2 gallons of gas. How far can it go
on 11 gallons? - QUALITY CONTROL In a manufacturing
process, 12 parts out of 66 were found to be
defective. How many defective parts will be
expected in a run of 1,650 parts? - SCALE DRAWINGS The illustration below
shows an architect’s drawing of a kitchen using a
scale of inch to 1 foot. On the drawing,
the length of the kitchen is inches. How long
is the actual kitchen? (The symbol means inch
and means foot.) - DOGS The American Kennel Club website gives
the ideal length to height proportionsfor a German
Shepherd as. What is the ideal length of a
German Shepherd that is inches high at the
shoulder?
HeightLength(^25 12)
10 : 8 12
ELEVATION B-B
SCALE: 1 "– 8 to 1'0"(^112)
81 118 ^ ^1 ^0 ^2
REVIEW EXERCISES