Question

5. If three-fifth of a number is 450, then four-fifth of the same number will be:​

Answer 1

Answer:

To Find:-

• 4/5th of the Number

Solution:-

Given 3/5 of a number= 450

Let the number be x

then

$\frac{3}{5} \times x = 450 \\ 3x = 450 \times 5 = 2250 \\ x = 2250 \div 3 \\ x = 750$

Therefore the number is 750

Now,to find 4/5 of the number

$\frac{4}{5} \times 750 = x \\ 4 \times 150 = x \\ 600 = x$

Therefore 4/5th of 750 is 600

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Answer 2

Answer:

Given 3/5 of a number= 450

Let the number be x

then

\begin{gathered} \frac{3}{5} \times x = 450 \\ 3x = 450 \times 5 = 2250 \\ x = 2250 \div 3 \\ x = 750\end{gathered}

5

3

×x=450

3x=450×5=2250

x=2250÷3

x=750

Therefore the number is 750

Now,to find 4/5 of the number

\begin{gathered}\frac{4}{5} \times 750 = x \\ 4 \times 150 = x \\ 600 = x\end{gathered}

5

4

×750=x

4×150=x

600=x

Therefore 4/5th of 750 is 600