Un commerciante ha contratto un debito di \( € 480 \) e lo ha pagato 5 mesi prima della sca- denza al tasso di sconto del \( 9 \% \). Quanto ha pagato quel commerciante? [€ 462\( ] \)

A lawnmower was traded in for R236 after 10 years. The depreciation was calculated at \( 9,2 \% \) p.a. on a straight-line basis. Determine the cost of the lawnmower 10 years ago.

الف) . . זا دلار چند پوند است؟ (با راه حل) ب) رابطه بين دلار و پوند را روى نمودار نشان دهيد.

You invest $2,500 in an account that earns 4% interest compounded quarterly. How much will the investment be worth after 5 years?

Calculate the gross profit margin for an item that cost the business \( \$ 20 \) and sold for \( \$ 80 \). Gross Profit \( =\$ 60 \) Gross Profit Margin \( =[?] \% \)

Calculate the gross profit margin for an item that cost the business \( \$ 12 \) and sold for \( \$ 30 \). Gross Profit = \( \$ 18 \) Gross Profit Margin = [?]\%