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Which of the following is equivalent to 
(((a+6)/(c)))/(((2a+6)/(2c))) ?
Choose 1 answer:
(A) 
(c)/(2)
(B) 
(a+6)/(a+3)
(C) 
(a+6)/(2(a+3))
(D) 1

Which of the following is equivalent to \newline(a+6c)÷(2a+62c)\left(\frac{a+6}{c}\right)\div\left(\frac{2a+6}{2c}\right)?\newlineChoose 11 answer:\newline(A) c2\frac{c}{2}\newline(B) a+6a+3\frac{a+6}{a+3}\newline(C) a+62(a+3)\frac{a+6}{2(a+3)}\newline(D) 11

Full solution

Q. Which of the following is equivalent to \newline(a+6c)÷(2a+62c)\left(\frac{a+6}{c}\right)\div\left(\frac{2a+6}{2c}\right)?\newlineChoose 11 answer:\newline(A) c2\frac{c}{2}\newline(B) a+6a+3\frac{a+6}{a+3}\newline(C) a+62(a+3)\frac{a+6}{2(a+3)}\newline(D) 11
  1. Write Expression & Identify Operation: Write down the given expression and identify the operation involved.\newlineThe given expression is a division of two fractions: (a+6c)/(2a+62c)\left(\frac{a+6}{c}\right)/\left(\frac{2a+6}{2c}\right).\newlineWe need to divide the first fraction by the second fraction.
  2. Apply Division Rule: Apply the rule for dividing fractions, which is to multiply the first fraction by the reciprocal of the second fraction.\newlineThe reciprocal of (2a+62c)(\frac{2a+6}{2c}) is (2c2a+6)(\frac{2c}{2a+6}).\newlineSo, the expression becomes: (a+6c)×(2c2a+6)(\frac{a+6}{c}) \times (\frac{2c}{2a+6}).
  3. Simplify by Multiplying: Simplify the expression by multiplying the numerators and denominators.\newlineMultiply (a+6)(a+6) by (2c)(2c) and cc by (2a+6)(2a+6).\newlineThis gives us: (a+6)(2c)c(2a+6)\frac{(a+6) \cdot (2c)}{c \cdot (2a+6)}.
  4. Cancel Common Factors: Cancel out the common factors in the numerator and the denominator.\newlineWe can see that 2c2c is a common factor in both the numerator and the denominator.\newlineSo, we can cancel out 2c2c from both to simplify the expression.\newlineThis gives us: (a+6)/(2a+6)(a+6)/(2a+6).
  5. Check Further Simplification: Check if the expression can be simplified further. The expression (a+6)/(2a+6)(a+6)/(2a+6) cannot be simplified further as there are no common factors left to cancel out.

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