1 (a) (i) Divide \(\$ 24\) in the ratio \(7: 5\).
\(\$\) ............... ............... [2]

(ii) Write \(\$ 24.60\) as a fraction of \(\$ 2870\).
Give your answer in its lowest terms.
.............................................. [2]

(iii) Write \(\$ 1.92\) as a percentage of \(\$ 1.60\).
......................................... \(\%\) [1]

(b) In a sale the original prices are reduced by \(15 \%\).

(i) Calculate the sale price of a book that has an original price of \(\$ 12\).
\(\$\) ............................................. [2]

(ii) Calculate the original price of a jacket that has a sale price of \(\$ 38.25\).
\(\$\) ............................................. [2]

(c) (i) Dean invests \(\$ 500\) for 10 years at a rate of \(1.7 \%\) per year simple interest.
Calculate the total interest earned during the 10 years.
\(\$\) ............................................ [2]

(ii) Ollie invests \(\$ 200\) at a rate of \(0.0035 \%\) per day compound interest.
Calculate the value of Ollie's investment at the end of 1 year.
[1 year \(=365\) days. \(]\)
\(\$\) ............................................ [2]

(iii) Edna invests \(\$ 500\) at a rate of \(r \%\) per year compound interest.
At the end of 6 years, the value of Edna's investment is \(\$ 559.78\).
Find the value of \(r\).
\[
r=
\] ............................................ [3]

Write $$\(\$ 1.92\)$$ as a percentage of $$\(\$ 1.60\)$$. ......................................... $$\(\%\)$$

Answer:

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