Question

The cost of 21/2m of ribbon is rs13 3/4. Find the cost of 4m of ribbon​

Answer 1

GiVen:

• Cost of $2\dfrac{1}{2}$ m ribbon is Rs $13\dfrac{3}{4}$.

AnSwer:

★ Cost of 1 m ribbon =

$\implies \sf \: \: \: 13\dfrac{3}{4} \div 2\dfrac{1}{2} \\ \\ \implies \sf \: \: \: \dfrac{55}{4} ÷ \dfrac{5}{2} \\ \\ \implies \sf \: \: \: \dfrac{55}{4} \times \dfrac{2}{5} \\ \\ \implies \sf \: \: \:\dfrac{11}{2}$

★ Cost of 4 m ribbon =

$\implies \sf \: \: \dfrac{11}{2} \times 4 \\ \\ \implies \sf \: \: 22$