BECE Mathematics 2013 Paper

You have to divide the Ghana pesewas by 100 to get the cedis.$15 \text{Gp} = \mathrm{GH₵} \; \frac{15}{100}$Number of cards that can be bought $= \; \frac{\text{ Total Amount }}{\text{ Cost of each card }}$Number of cards that can be bought $= \mathrm{GH₵18} \div \; \frac{\mathrm{GH₵}\;15}{100}$Change the division to multiplication by reciprocating the numerator and the denominator and changing the sign from division to multiplication.Number of cards that can be bought $= \mathrm{GH₵} 18.00 \times \; \frac{100}{\mathrm{GH₵} 15.00}$Number of cards that can be bought $=6 \times 20$Number of cards that can be bought $=120$Note: 3 divides 18, 6 times and 15, 5 times. 5 divides itself once and 100, 20 times.