The number of days in $y$ weeks and $y$ days is

$7 y^{2}$

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$8 y$

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$7$

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$14 y$

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Solution

The correct option is B
$8 y$

We have,
Number of days in a week $= 7$
Number of days in $y$ weeks $=$ $7 \times y$
Now, the total number of days in $y$ weeks and $y$ days $=$ $7 \times y + y \Rightarrow 8 y$
Hence, B is the correct option.

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