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(A) 
11cm
(B) 
10cm
(C) 
9cm
(D) 
8cm
e to solve.
Sample question 4: degree of difficulty medium
ays. He earns s a week. How ks of work?
s
eeks
ow many litres
ow many litres
(A) 
x+a-b
(B) 
2(a+b)-2x

(A) 11 cm 11 \mathrm{~cm} \newline(B) 10 cm 10 \mathrm{~cm} \newline(C) 9 cm 9 \mathrm{~cm} \newline(D) 8 cm 8 \mathrm{~cm} \newlinee to solve.\newlineSample question 44: degree of difficulty medium\newlineays. He earns s a week. How ks of work?\newlines\newlineeeks\newlineow many litres\newlineow many litres\newline(A) x+ab x+a-b \newline(B) 2(a+b)2x 2(a+b)-2 x

Full solution

Q. (A) 11 cm 11 \mathrm{~cm} \newline(B) 10 cm 10 \mathrm{~cm} \newline(C) 9 cm 9 \mathrm{~cm} \newline(D) 8 cm 8 \mathrm{~cm} \newlinee to solve.\newlineSample question 44: degree of difficulty medium\newlineays. He earns s a week. How ks of work?\newlines\newlineeeks\newlineow many litres\newlineow many litres\newline(A) x+ab x+a-b \newline(B) 2(a+b)2x 2(a+b)-2 x
  1. Rewrite as fraction: Rewrite 55 as a fraction.\newline5=515 = \frac{5}{1}
  2. Find common denominator: Find a common denominator for the two fractions.\newlineCommon denominator is t3t^3.
  3. Rewrite with common denominator: Rewrite 51\frac{5}{1} with the common denominator.\newline(5×t31×t3)=5t3t3(\frac{5 \times t^3}{1 \times t^3}) = \frac{5t^3}{t^3}
  4. Combine fractions: Combine the fractions over the common denominator. (5t33)/t3(5t^3 - 3) / t^3
  5. Check for simplification: Check for any possible simplification.\newlineThe numerator and denominator have no common factors other than 11, so it cannot be simplified further.

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