Page 457 - Basic College Mathematics with Early Integers

Step-by-step test solutions are found on the Chapter Test Prep
Chapter 5 Test Videos available via the Interactive DVD Lecture Series, in
(search “MartinGayBasicMathEI” and click
or on
on “Channels”).

Answers Write each ratio or rate as a fraction in simplest form.

7 3
1. $75 to $10 2. 9 inches of rain 3. 8.6 to 10 4. 5 to 9
8 4
in 30 days
5. The world’s largest yacht, the
Al Salamah, measures in at
456 feet.A Boeing 787-8
Dreamliner measures 186 feet 186 ft
long. Find the ratio of the
1. Al Salamah to the length of a
787-8. (Source: Power &
Motoryacht magazine)
2.
456 ft
3.
Find each unit rate.

4.
6. 650 kilometers in 8 hours 7. 140 students for 5 teachers

5. 8. QRI0 (Quest for Curiosity) is the world’s first bipedal robot capable of running
(moving with both legs off the ground at the same time) at a rate of 108 inches each
12 seconds. (Source: Guinness World Records)
6.

Find each unit price and decide which is the better buy.
7.
9. Steak sauce:
8 ounces for $1.19
8.
12 ounces for $1.89
9.
Determine whether the proportion is true.

10. 10. 28 = 14
16 8
11.
Find the unknown number n in each proportion.

12. 1
n 15 8 11 -1.5 2.4 n 1 6
11. = 12. = 13. = 14. =
3 9 n 6 5 n 5 1
13. 2 3
8 2
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14. Solve.

15. On an architect’s drawing, 2 inches 16. If a car can be driven 80 miles
15.
corresponds to 9 feet. Find the length of in 3 hours, how long will it take to
a home represented by a line that is travel 100 miles?
16. 11 inches long.

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