Solving Proportions: Techniques and Applications

What is the first method introduced for solving proportions?

• Cross Multiplication

• Mental Math

• Graphing

• Substitution

In the first example, what is the simplified form of 10/14?

• 5/6

• 3/4

• 2/3

• 5/7

How do you get from 7 to 21 in the first example?

• Add 14

• Divide by 3

• Multiply by 3

• Subtract 14

What is the value of X in the proportion 7/16 = X/4?

• 1.0

• 1.25

• 1.5

• 1.75

What is the second method introduced for solving proportions?

• Cross Multiplication

• Mental Math

• Graphing

• Substitution

In the cross multiplication method, what is the product of X and 10 in the example X/8 = 7/10?

• 56

• 10X

• 80

• 70

What is the value of X in the proportion X/8 = 7/10?

• 5.6

• 6.5

• 7.5

• 8.5

What is the value of V in the proportion 4/V = 3/14?

• 11.5

• 10.5

• 12.5

• 13.5

What is the approximate conversion factor from miles to kilometers?

• 1 mile = 1.7 km

• 1 mile = 1.5 km

• 1 mile = 1.8 km

• 1 mile = 1.61 km

How many kilometers are approximately equal to 100 miles?

• 170 km

• 161 km

• 160 km

• 150 km