Question

If 10% is deducted from bill,Rs7200 remains to be paid.How much is the bill?​

Answer 1

Answer:

The bill is Rs.8000

Let the original bill be x

We are given that 10% is deducted from a bill

So, Amount to be deducted = 10\% x = \frac{10}{100}x10%x=

100

10

x

Remaining amount = x-\frac{10}{100}x=\frac{90}{100}xx−

100

10

x=

100

90

x

We are given that Amount to be paid is Rs.7200

So,\begin{gathered}\frac{90}{100}x=7200\\x=\frac{7200 \times 100}{90}\\x=8000\end{gathered}

100

90

x=7200

x=

90

7200×100

x=8000

Hence The bill is 8000

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