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Skip to 0 minutes and 5 secondsHere, you have to determine which of the three people are the heaviest, someone from England, who weighs 13 stone 5 pounds, someone from America, who weighs 191 pounds, or someone from France, who weighs 88.3 kilogrammes. This is difficult because the mass of each person is measured in a different way. However, let's start with the person from England. As there are 14 pounds in a stone, this person weighs 13 times 14 plus 5 pounds, which equals 187 pounds. As you can see, they weigh less than the person from America, and so you do not need to consider them any longer. So let's concentrate on the person from America and convert their mass into kilogrammes. 1 pound is equivalent to 0.454 kilogrammes.

Skip to 1 minute and 5 secondsAnd so 191 pounds is 191 multiplied by 0.454 kilogrammes, which equals 86.7 kilogrammes. You can see that person from America weighs less than the person from France. And so, the person from France is the heaviest.

Looking at problems with a historical context

In this video you will find the solution to the question about the three people of different weights.

With historical documents you will find that you may have to work in currencies different to those which you are used to.

For this next question you need to know about an old English currency where 12 pence (written 12d) was equal to one shilling (1s) and that 20s was equal to one pound (£1).

In 1930 a pint of beer cost fourpence (4d) and a loaf of bread cost threepence (3d). A weekly bus ticket cost two shillings and sixpence (written as 2/6) and an office worker’s weekly wage could be £1 18s 6d (written as £1 18/6).

Here is another question for you.

Bert, an office worker, takes the bus to work six days of the week and stops at the pub for a pint of beer on his way home every evening. His weekly rent is 30 shillings. How many loaves of bread could Bert buy with what he has left over?

The answer is in the video in the next step.

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UEA (University of East Anglia)

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