$q,$

$(3$ marks$)$

Calculate the amount of simple interest you would pay on a loan of $$20000$ at a rate of $5\mathrm{.}6\%$ per annum for three years.

$q,(2$ marks$)$

Calculate the time it would take for a $$7000$ dollar investment to earn $$1400$ of simple interest at a rate of $4\%$ per annum.

$q,$

$(2$ marks$)$

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