Convert the following as percentages of the number 72. Round to the nearest 0.1% where necessary.
| a) 18 | b) 24 | c) 14.4 | d) 54 | e)9
| f) 45
|
VAT is normally added on the bill at the end of a meal. If John's meal cost �16 before VAT is added, how much VAT does he have to pay?
How much does the bill come up to?
In a clothes sale, everything is 20% off from its original price. If a pair
of trainers cost �75 at its original price, what is its new price?
In the same sale, the price of a jacket is �36. What was its orignal price?
In a physics experiment, a piece of metal 20cm long has stretched to 26cm. What is the percentage increase in length?
John puts �150 in his bank account. A year later he receives �6 interest.
Jane puts �120 into her bank account. A year later she receives �5.40 interest.
Who receives a better rate of interest?
If Paul opens an ISA account with �3000 and the interest rate they pay per year is 5%.
a) How much will he have in 4 years time assuming that he doesn't put any extra money in it? The rate is paid with simple interest.
b) How much will he have in 4 years if it was paid with compound interest, again at 5%?
