The British Imperial currency system of Pounds, Shillings and Pence is now a long redundant currency and subsequently has no exchange rate with any other currency.
At the time of Britains changeover to decimal currency in 1971, 8 Shillings and 4 Pence converted to about 42 New Pence.
question does not say what the 10 is . 5p x 2 = 10p 5p x 20 = £1 5p x 200 = £10
The idea is to subtract 10p minus 4p.
10p
10p
10p
10p
15 cents
10p
About the same as a british shilling 24 cents a shilling
It is worth one Kenya shilling.
In the UK, from about 10p to about 40p.
10p