Time, Currency & Conversions (Cambridge O Level Maths)

When the local time in Athens is 09 00, the local time in Berlin is 08 00.
A plane leaves Athens at 13 15.
It arrives in Berlin at 15 05 local time.

Find the flight time from Athens to Berlin.
  

........................ h ........................ min

Karel changed $300 into 3891 Namibian dollars.

Complete the statement.
 

$1 = ............................ Namibian dollars

Adele changes $306 into euros (€) when the exchange rate is €1 = $1.125.

Calculate the number of euros she receives.

€ ...............................................

Barbara spends a total of $17.56 on 5 kg of apples and 3 kg of bananas.
Apples cost $2.69 per kilogram.

Calculate the cost per kilogram of bananas.

$ ...............................................

A shop sells dress fabric for $2.97 per metre.

A customer buys 9 metres of this fabric.
 
Calculate the change he receives from $50.
 

$ ...............................................

Identical pairs of boots are sold in London, in Geneva and in Paris.

These boots have a price of

£115 in London
189 Swiss francs in Geneva
174 euros in Paris

The exchange rates are

£1 = 1.39 Swiss francs
£1 = 1.27 euros

Are the boots the best value for money in London or in Geneva or in Paris?
You must show how you get your answer.

In London, 1 litre of petrol costs 108.9p
In New York, 1 US gallon of petrol costs $2.83

1 US gallon = 3.785 litres
£1 = $1.46

In which city is petrol better value for money, London or New York?
You must show your working.

These are the opening times for a museum.

During opening hours the museum has 4 security guards working.
Each guard works a maximum of 30 hours each week.

Work out the smallest number of guards needed each week.

A chef buys some cheese from France.
200g of cheese costs 3.45 euros.
The exchange rate is $1 = 0.84 euros.

Work out the maximum mass of cheese the chef can buy with $150.
Give your answer in kilograms, correct to 1 decimal place.

............................................ kg

On holiday Maria paid 2.25 euros for a newspaper when the exchange rate was
$1 = 0.9416 euros.
At home Maria paid $1.13 for the newspaper.

Calculate the difference in price.
Give your answer in dollars, correct to the nearest cent. 
 

$ ..............................................

Three companies sell the same type of furniture.

The price of the furniture from Pooles of London is £1480
The price of the furniture from Jardins of Paris is €1980
The price of the furniture from Outways of New York is $2250

The exchange rates are

£1 = €1.34
£1 = $1.52

Which company sells this furniture at the lowest price?
You must show how you get your answer.

Asif is going on holiday to Turkey.

The exchange rate is £1 = 3.5601 lira.

Asif changes £550 to lira.

Work out how many lira he should get.
Give your answer to the nearest lira.

Asif sees a pair of shoes in Turkey.
The shoes cost 210 lira.

Asif does not have a calculator.
He uses £2 = 7 lira to work out the approximate cost of the shoes in pounds.

Use £2 = 7 lira to show that the approximate cost of the shoes is £60.

Is using £2 = 7 lira instead of using £1 = 3.5601 lira a sensible start to Asif's method to work out the cost of the shoes in pounds?

You must give a reason for your answer.

Astrid wants to buy some oil.
She can buy the oil from either Dane Oil or Arctic Oil.

Here is information about the price that each company will charge Astrid.

Dane Oil	Arctic Oil

Astrid wants to get the better value for money for the oil.

From which company should she buy her oil, Dane Oil or Arctic Oil?
You must show your working.