Question

The cost of a ticket increases by 10% to £18.15 work out the origanal price

Answer 1

Answer:

The original price is 16.5Rs

Step-by-step explanation:

A percentage means 'per 100', which is a number expressed as a fraction of 100. So when you say 100% of something, it means that it represents the whole. A percentage is used to compare quantities. Let us say that you are required to find the increase or decrease in the value of a certain quantity over some time; instead of giving numbers, this comparison can conveniently be expressed as a percentage increase or percentage decrease in quantity.

When comparing the increase in quantity over a certain period, we first find the difference between the original value and the increased value. We then use this difference to find the relative increase from the original value and express it as a percentage. When comparing the decrease in quantity over a certain period, we first find the difference between the original value and the reduced value. From this difference, we will then determine the relative decrease compared to the original value and express it as a percentage.

Given: The cost of a ticket increases by 10% to £18.15

To find: Original price

Solution:

Let CP=100x

10% increase=110x

110x=£18.15

x=18.15/110

CP=$\frac{18.15*100}{110*100}$

CP=16.5

Hence the original price is 16.5Rs

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