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3 years ago

Which question cannot be answered by the solution to the equation 3×=27?

Mathematics

1 answer:

Sindrei [870]3 years ago

5 0

Answer:

x=9

Step-by-step explanation:

3x=27

27÷3=9

x=9

so the answer is : x=9

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<u>Answer: </u>

An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. Time it will take to fill the pool = 748 hrs

<u>Solution: </u>

Let x = time it will take to fill the pool

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$\frac{1}{34}$ = work rate of drain pipe

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$\begin{array}{l}{\frac{1}{33} x-\frac{1}{34} x=\frac{2}{3}} \\\\ {\frac{x}{33}-\frac{x}{34}=\frac{2}{3}}\end{array}$

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$34 x-33 x=\frac{2 \times 34 \times 33}{3}$

$\begin{array}{l}{x=\frac{2244}{3}} \\\\ {x=\frac{3168}{3}} \\\\ {x=748}\end{array}$

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Which question cannot be answered by the solution to the equation 3×=27?​

Which question cannot be answered by the solution to the equation 3×=27?