1. MAT 045 FINAL EXAM REVIEW - PART II
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Directions:
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Write the ratio as a fraction in lowest terms.
1) 1)20 to 22
2) 2)104 miles to 128 miles
Find the unit rate.
3) 3)300 miles on 15 gallons of gas
4) 4)$4200 earned in 5 weeks
Find the best buy (based on cost per unit).
5) 5)Brand X: 15 oz for $3.75
Brand Y: 10 oz for $2.40
6) 6)Brand A: 30 oz for $21.90
Brand B: 24 oz for $16.80
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
7)
2
x
=
4
6
7)
8)
1
2
=
x
9
8)
1

2. Solve the problem.
9) 9)On a map, the length of a nature-center trail is 8.4 centimeters. If the scale is 3 centimeters
to 19 kilometers, what is the actual length of the trail?
10) 10)A hardware store had monthly sales of $94,800 and spent 4% of it on legal fees. How much
was spent on legal fees?
11) 11)By switching service providers, a family's telephone bill decreased from about $50 a month
to about $43. What was the percent of decrease?
Convert the units.
12) 12)36 in. = ft (12 in. = 1 ft.)
13) 13)75 ft = yd (1 yard = 3 feet )
14) 14)22 c = pt (1 pint = 2 cups )
15) 15)2 c = fl oz (1 cup = 8 fl oz )
16) 16)9.10 m = cm
17) 17)3.9 L = mL
18) 18)0.83 L = mL
2

3. Find the perimeter.
19) 19)
8 ft 4 ft
9 ft
Find the area.
20) 20)
30 yd
34 yd
24 yd
Find the perimeter and area of the figure.
21) 21)1.71 feet perimeter = _______________
4.4 feet 4.4 feet
1.71 feet area = _______________
3