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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

% for the second year

Work out the total amount of money in Mo's account at the end of the 2 years

£ .

3

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

% for the second year

Work out the total amount of money in Mo's account at the end of the 2 years

£ .

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

Ellie buys a car for £ in

The car depreciates by % every year.

Work out how much Ellie's car is worth in

£ .

3

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

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

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

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

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