(a(i))[2]
Work out the amount Idris charges for a repair that lasts $2$ hours.
(a(ii))[3]
Idris charges $166.25$ for another repair. He begins the repair at $2.30\,\text{pm}$. Find the time at which he finishes the repair.
(b)[3]
Idris puts $6200$ into an account that pays compound interest at a rate of $1.7\%$ per year. Calculate the total amount of interest earned after $4$ years.
(c)[3]
The exchange rate between dollars ($\$) and euros (€) is $\$1 = €0.84$. Idris buys some equipment from a website that charges in euros. The equipment has a cost of €$760$. Idris has to pay $2.5\%$ tax on this cost. Work out the amount Idris pays for the equipment including tax. Give your answer in dollars.