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hram777 [196]
3 years ago
7

Airline companies raise and lower their ticket prices based on the supply and demand. Due to high numbers of fliers, one company

decided to raise their ticket price for a first-class ticket to $192.50, which represents a 10% price increase.
How much did the first-class tickets cost before the price increase?
Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0
The raised price represents 110% of the original price (100% plus the extra 10%)

A percentage is converted into a decimal multiplier by dividing by 100:
\frac{110}{100}  = 1.10

To clarify the final stage, consider this (where n is the original price):
n * 1.10 = 192.50
1.10n = 192.50

From here, basic algebraic rules make solving for n easy:
n =  \frac{192.50}{1.10} = 175

Therefore the original price of a ticket was $175

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