Question 95 (ii)

What's the Error?

A student wrote an algebraic expression for "5 less than a number n divided by 3" as $\frac{n}{3} - 5$ . What error did the student make?

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Solution

Since the expression of 5 less than a number n = n - 5
So, 5 less than a number n divided by 3 will be written $= \frac{n - 5}{3}$
So, student make an error of quotient

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