Antiques roadshow
Last year, on the television programme Antiques Roadshow... work out the approximate profit.
Age
14 to 16
Challenge level
Problem
On the television programme Antiques Roadshow, a painting was said to be worth £15 000 although the painting originally cost only 50p. As a percentage of the original price, what would be the approximate profit if the painting were to be sold for £15 000?
If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.
Student Solutions
Answer: 3,000,000%
£15,000 $-$ 50p = £14,999.50 as a % of 50p
£14,999.50 $\approx$ £15,000
50p = 100%
£1 = 200%
£1000 = 200,000%
£15,000 = 3,000,000%