1
Mo invests £ in a savings account for 2 years.
The account pays compound interest at an annual rate of
% for the first year
% for the second year
Work out the total amount of money in Mo's account at the end of the 2 years
£ .
3
2
Mo invests £ in a savings account for 2 years.
The account pays compound interest at an annual rate of
% for the first year
% for the second year
Work out the total amount of money in Mo's account at the end of the 2 years
£ .
3
3
Sayem invests £ in a savings account for years.
The account pays compound interest at an annual rate of % per annum.
Work out the total amount of money in Sayem's account at the end of the years
£ .
3
4
Ellie buys a car for £ in
The car depreciates by % every year.
Work out how much Ellie's car is worth in
£ .
3
5
Harry invests £ in a savings account.
The account pays compound interest at an annual rate of % per annum.
Work out how long it will take Harry to earn £
years
2
6
Hannah has invested £ in a bank account.
She creates a formula to show her the money she has in her account (M) and a given amount of years (n).
Looking at her formula, what is the interest rate of the bank account?
%
1
7
Camilla invests money in a savings account.
The account pays compound interest at an annual rate of % per annum.
How long will it take for her to double her money?
years
3
8
Billy, James and Sam go to the beach to collect sand.
James collects % more sand than Billy.
Sam collects % more sand than James.
By what percentage is the amount of sand collected by Sam greater than the sand collected by Billy.
%
3
9
The town of Wattle has a population that is decreasing steadily.
It is found that the population is decreasing at a rate of % per year.
How long will it take for the population to be beneath % of what it is now?
years
3