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Section 2.1: Exercise 96
Exercise 96
World grain demand.
Freeport McMoRan projects that
in 2010 world grain supply will be 1.8 trillion metric tons
and the supply will be only ¾ of world grain demand.
What will world grain demand be in 2010?
(1.8).75=1.35 trillion metric ton/world grain demand for 2010
Section 2.2: Exercise 94
Exercise 94
Fahrenheit temperature.
Water boils at 212°F.
a)
Use the accompanying graph to determine the Celsius
temperature at which water boils. 100 degrees Celsius
b)
Find the Fahrenheit temperature of hot tap water at
70°C by solving the equation F=158
70=5/9 (F32)
(9/5) (70/1) = (5/9)(9/5)(F32)
(9)(14)= F32
126=F32
+32
+32
____________________
158=F
Section 2.3: Exercise 16, 28, 76, 84
Exercise 16:
a/4 – a/2 = 5
(4) a/2 – (4)a/2 = 5(4)
1a – 2a = 20
1a = 20
1a/1 = 20/1
a = 20
Exercise 28:
0.4x – 1.6 = 0.6x
(100)0.4x – (100)1.6 = (100)0.6x
40x – 160 = 60x
40x – 160 – 160 = 60x – 160
40x = 100
40x/40 = 100/40
X = 2.5
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This note was uploaded on 04/20/2010 for the course MTH 208 algebra 1 taught by Professor Love during the Spring '10 term at University of Phoenix.
 Spring '10
 love

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