Review for Test 1.2 - Birdville Independent School District

advertisement
Name: ________________________________ Period: ____________ Test Form: _______
Proportions and Conversion TEST
MMA 2015-2016
For #1-3, solve the proportion. If necessary round decimal to the nearest hundredth
(2 decimal) place. Show all work to receive full credit.
1.
15
𝑥
=
40
64
2. 2 𝑜𝑢𝑡 𝑜𝑓 _____ = 80 𝑜𝑢𝑡 𝑜𝑓120
3.
20: 𝑥 𝑖𝑠 𝑒𝑞𝑢𝑎𝑙 𝑡𝑜 5: 3
For #4-6, Solve or evaluate the following equations. Circle or Box your answer. If
necessary round decimal to the nearest hundredth (2 decimal) place. Must show work
to receive full credit!
4.
−(1 + 7𝑥) − 6(−7 − 𝑥) = 36
6.
5.
𝑉 = 𝑙𝑤ℎ , 𝑤ℎ𝑒𝑟𝑒 𝑙 = 100, 𝑤 = 5, 𝑎𝑛𝑑 𝑉 = 12,500
Solve for h
−5(1 − 5𝑥) + 5(−8𝑥 − 2) = −4𝑥 − 8𝑥
For #7-9 convert the following situations. Circle or Box your answer. If necessary
round decimal to the nearest hundredth (2 decimal) place. Must show all work to
receive full credit!
7. 4,500 mm =_____ km
8.
5 gallons =_____ cups
9.
11 feet = ________ inches
For #10-20, solve the following application problems for the correct solution. Must
show all work and correctly label the units to receive full credit.
10. The width of a rectangular garden is seven feet more than the length. Let 𝑥 represent the
length of the garden. Find the length and the width of the rectangular area.
𝟕+𝒙
Length: __________
Width: ___________
𝒙
11. Brand A peanuts costs $3.29 for 10 ounce container. Brand B costs $5.19 for 16 ounces.
Which brand is the better buy? Explain your answer.
12. Wal-mart announced this week that 3,400 workers will be laid off. What percent of their
65,000 world-wide employees does this represent?
13. The rangers has a season record of 98 wins and 64 losses. What percent of their games
played did they lose?
14. The distance between Ohio and Texas is approximately 4,485 kilometers. What is the
distance between these two areas in miles?
15. About 4 out of 10 people entering a community college need to take a refresher
mathematics course. If there are 980 entering students, how many will probably need a
refresher mathematics course?
16. A quality-control inspector examined 300 light bulbs and found 27 defective. At this rate,
how many defective bulbs would there be in a lot of 33,000 bulbs?
17. Josh is on the All-District swimming team and has to swim a 300 meters in his first race.
How many yards did Josh swim?
18. If 21 pounds of potatoes cost $31.50. How many pounds of potatoes can you get for
$45.00?
19. Don took a test and got 15 out of 20 correct. What is the ratio of correct answers to total
answers?
20. Kristen’s car has 61 liter gas tank. If gas costs $1.93 per gallon, how much does it cost to fill
her tank?
Download