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Question

Which one of the following expressions represents the model given below?

A
5a + 2(3a) + 4(1a)
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B
5a + 3a + 4(1a)
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C
2a + 2(3a) + 5a
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D
5a + 2(3a) + 1a
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Solution

The correct option is A 5a + 2(3a) + 4(1a)
Given model contains one 5a, two 3a, and four 1a.

Hence, the expression represented by the model is 5a + 2(3a) + 4(1a)

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