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Proportions or Equivalent Ratios

This topic covers the key concepts of proportions such as find a missing term in a proportion, determine if the terms are in proportion and establish a proportion to solve problems.
Practice Question
1

Find the value of a if a : 4 and 5 : 16 are equivalent.

 
Possible Answers
Your Answer
Correct Answer
A)

1/7
B)

5/4
C)

2/5
D)

3/4
Practice Question
2

The ratio of the length of a field to its width is 5 : 3. Find the length if the width is 42 meters.

 
Possible Answers
Your Answer
Correct Answer
A)

60 meters
B)

70 meters
C)

80 meters
D)

90 meters
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