Write the ratio as a fraction in lowest terms. Compare in inches. 1 ...
Write the ratio as a fraction in lowest terms. Compare in inches. 1 ...
Write the ratio as a fraction in lowest terms. Compare in inches. 1 ...
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Math 105 Chapter 7 Practice Test<br />
<strong>Write</strong> <strong>the</strong> <strong>ratio</strong> <strong>as</strong> a <strong>fraction</strong> <strong>in</strong> <strong>lowest</strong> <strong>terms</strong>. <strong>Compare</strong> <strong>in</strong> <strong>in</strong>ches.<br />
1. 132 <strong>in</strong>ches to 2 feet<br />
Solve <strong>the</strong> problem.<br />
2. On a map, 1 <strong>in</strong>ch equals approximately 14 miles. If <strong>the</strong> distance on <strong>the</strong> map<br />
between two towns is 4.9 <strong>in</strong>ches, how many miles is it between <strong>the</strong> two towns?<br />
3. There are 80 males and 75 females <strong>in</strong> a school march<strong>in</strong>g band. What is <strong>the</strong><br />
<strong>ratio</strong> of female band members to total band members.<br />
4. Which h<strong>as</strong> <strong>the</strong> lower unit price for soap?<br />
brand A: $1.21 for 3 bars brand B: $1.63 for 4 bars<br />
5. A recipe calls for 1 tsp. of mustard seeds, 6 cups of tomato sauce, 4½ T<br />
chopped scallions, and 8¼ cups of beans. If 2 cups of tomato sauce are used,<br />
how much of <strong>the</strong> mustard seeds should be used to keep <strong>the</strong> proportions <strong>the</strong><br />
same?<br />
Solve <strong>the</strong> follow<strong>in</strong>g proportion.<br />
6.<br />
2<br />
5 = 10<br />
x − 2<br />
Solve <strong>the</strong> problem.<br />
7. Nearly 4 out of 7 people choose vanilla <strong>as</strong> <strong>the</strong>ir favorite ice cream flavor. If 168<br />
people attend an ice cream social, how many would you expect to choose<br />
vanilla?<br />
8. The amount <strong>in</strong> a sav<strong>in</strong>gs account <strong>in</strong>cre<strong>as</strong>ed from $200 to $206. What w<strong>as</strong> <strong>the</strong><br />
percent of <strong>in</strong>cre<strong>as</strong>e?<br />
9. Dur<strong>in</strong>g a sale, a dress decre<strong>as</strong>ed <strong>in</strong> price from $60 to $48. What w<strong>as</strong> <strong>the</strong><br />
percent of decre<strong>as</strong>e?
Math 105 Chapter 7 Practice Test<br />
10. At a large state university, 60% of <strong>the</strong> students who apply are accepted. Of<br />
those who are accepted, 25% actually enroll. If 30,000 students apply, how<br />
many actually enroll?<br />
11. If <strong>the</strong> simple <strong>in</strong>terest on $2000 for 9 years is $1080, <strong>the</strong>n what is <strong>the</strong> rate?<br />
12. What annual <strong>in</strong>terest rate is earned by a 13-week T-bill with a maturity value<br />
of $1000 that sells for $989.37? (round to three decimal places)<br />
13. A newborn child receives a $5000 gift toward a college education from her<br />
grandparents. How much will <strong>the</strong> $5000 be worth <strong>in</strong> 17 years if it is <strong>in</strong>vested at<br />
7% compounded quarterly?<br />
14.You want to have a $100,000 college fund <strong>in</strong> 18 years. How much will you<br />
have to deposit now at an APR of 4% compounded daily?<br />
15. A 100-grid represents <strong>the</strong> first floor of an office build<strong>in</strong>g. Design a floor plan<br />
(us<strong>in</strong>g <strong>the</strong> attached grid) so that: 68% of <strong>the</strong> space is for 4 separate offices, 20%<br />
of <strong>the</strong> space is for hallways, and 12% of <strong>the</strong> space is for 2 separate bathrooms.<br />
16.Complete <strong>the</strong> table. Be sure to reduce each <strong>fraction</strong> to <strong>lowest</strong> <strong>terms</strong><br />
a. 5<br />
8<br />
Fraction Decimal Percent<br />
b.<br />
0.6<br />
c.<br />
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