The expression 12 + 14 represents the number of chocolates in a box. Which one of the following expressions is equivalent to 12 + 14?

3(4) + 1(7)

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6(2) + 2(7)

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3(6) + 2(7)

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1(12) + 3(7)

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Solution

The correct option is B 6(2) + 2(7)
The given expression is 12 + 14.

3(4) + 1(7) = 12 + 7
6(2) + 2(7) = 12 + 14
3(6) + 2(7) = 18 + 14
1(12) + 3(7) = 12 +21

Hence, 6(2) + 2(7) is equivalent
to 12 + 14.

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Similar questions

Express each of the following rational numbers in standard form :

(i) $\frac{- 12}{30}$ (ii) $\frac{- 14}{49}$ (iii) $\frac{24}{- 64}$ (iv) $\frac{- 36}{- 63}$

\frac{1}{4}

\frac{1}{5}

\frac{1}{3}

\frac{1}{2}

Express 12 × 14 in the form of (x + a) (x + b)

(2 x - 1)^{5} + 5 (2 x - 1)^{4} + 10 (2 x - 1)^{2} + 5 (2 x - 1) + 1

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