A trader bought an engine for 15,000dollars outside Nigeria. If the exchange rate is 0.075dollars to N1.00, how much did the engine cost in naira?
A man bought 220 mangoes at N5x and sold each f or 3x kobo and made a gain of N8. Find the value of x
Bala sold an article for N6,900.00 and made a profit of 15%. Calculate his percentage profit if he had sold it for N6,600
Eric sold his house through an agent who charged 8% commission on the selling price.