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Question

Help David with his homework by calculating the value of B:


A
0.48
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B
0.68
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C
0.84
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D
0.86
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Solution

The correct option is A 0.48
To find the value of B, we first find the value of A.

A = 0.12 × 5

Calculating 0.12 × 5 using visual models, we get:


Total divisions = 60

∴ 0.12 × 5 = 0.6

Hence, A = 0.6

Now, it is given that, A × 0.8 = B

So, 0.6 × 0.8 = B

Calculating 0.6 × 0.8 using the grid model, we get:


∴ The value of B is 0.48.

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