Question

Answer with full method and with statements



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$pls \: pls \: pls \: give \: correct \: answers \: only$
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Answer 1

Answer:

81/10

8.1 is the answer ..

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Answer 2

$\large\star\boxed{\bf{\green{GIVEN:-}}}$

Ages of 10 children: 6yrs, 6yrs, 9yrs, 8yrs, 7yrs, 11yrs, 9yrs, 7yrs, 10yrs, 8yrs.

$\large\star{\sf{\underline{\underline{\green{To\:find:-}}}}}$

Average of their ages.

$\large\star{\sf{\underline{\underline{\green{</strong><strong>SOLUTION</strong><strong>:-}}}}}$

We know that the formula of average is

$\frac{sum \: of \: the \: ages \: of \: the \: 10 \: children}{total \: number \: of \: children}$

So according to the formula,

$= > \frac{6 + 6 + 9 + 8 + 7 + 11 + 9 + 7 + 10 + 8}{10}$

$= > \frac{81}{10}$

$=>8.1\: years$

$so \: the \: average \: of \: the \: ages \: of \: the \: 10 \: </strong><strong>\\</strong><strong>children</strong><strong>\</strong><strong>:</strong><strong> </strong><strong>i</strong><strong>s \: 8.1</strong><strong> </strong><strong>\</strong><strong>:</strong><strong>years</strong><strong>$