BECE Mathematics 2021 Paper

12 goes into 156, 13 timesNumber of boxes = 13 ALTERNATIVELYLet $x=$ Number of boxes12 pencils = 1 box156 pencils $=x$ boxCross multiply to solve for the value of $x$$12 \times x = 156 \times 1$Divide both sides by 1212 goes into 156, 13 times Number of boxes $=13$ALTERNATIVELYUsing ratio and proportionIf 12 pencils $156 \text{ pencils } = \frac{1 \text{ box } \times 156 \text{ pencils }}{12 \text{ pencils }} = 13 \text{ boxes }$ box$156 \;\text " pencils "\;=\;{1 \;\text " box "\; × 156 \;\text " pencils "\;}/{12 \;\text " pencils "\;}=13 \;\text " boxes "\;$Note:1. Pencils cancel each other2. 12 divides itself 1 time and 156,13 times