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The heights o...

Question

The heights of two different plants, plant A and plant B were measured at the end of each week for 3 weeks and and the results are shown in the graph.

How much did Plant A grow during the 3rd week?

A

2 centimetres

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B

7 centimetres

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C

9 centimetres

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D

5 centimetres

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Solution

The correct option is A 2 centimetres
From the graph, we observe that:

The height of the plant A after 2 weeks
= 7 centimetres

The height of the plant A after 3 weeks
= 9 centimetres

So, growth of plant A during the 3rd week
= 9 -7
= 2 centimetres.

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