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Question
Pattern B consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern A and B. Are they in direct proportion? If yes, write the constant of proportion.
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Solution
The number of red dots in pattern A (•) = 4
The number of blue dots in pattern A (`square`) = 2
Pattern B consists of four tiles like pattern A i.e.
Patter A × 4 = Pattern B
∴ Proportion in pattern = `2/6 = 1/3`
Now, proportion of blue dots and red dots in pattern B = `8/32 = 1/4`
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