Question

if 25m of silk costs ₹145, what is the cost of 90m of silk?

please andwer​

Answer 1

Answer:

RS 522

Step-by-step explanation:

if 25 m of silk = RS 145

cost of 1 m silk = 145/25 = RS 5.8 p

therefore cost of 90 m silk = 5.8 × 90

= RS 522

and follow

Answer 2

$\begin{gathered}\begin{gathered} \\ \Large{\bf{\green{\underline{AnWeR\::}}}} \\ \end{gathered} \end{gathered}$

• Cost of 90 m silk = 522 rupees

$\begin{gathered}\begin{gathered} \\ \Large{\bf{\red{\underline{GiVeN\::}}}} \\ \end{gathered} \end{gathered}$

• Cost of 25 m silk = ₹ 145

$\begin{gathered}\begin{gathered} \\ \Large{\bf{\purple{\underline{To \: FiNd\::}}}} \\ \end{gathered}\end{gathered}$

• The cost of 90 m silk.

$\begin{gathered}\begin{gathered} \\ \Large{\bf{\pink{\underline{SoLuTiOn\::}}}} \\ \end{gathered} \end{gathered}$

Cost of 25 m silk = 145 rupees

Cost of 90 m silk = $145 \times \frac{90}{25}$

Cost of 90 m silk = ....$29 \: \: \: \cancel{145}\times \dfrac{ \cancel{ 90} \: \: 18}{ \cancel{25} \: \: \: \: \cancel{5} \: \: \: \: 1}$

Cost of 90 m silk = 18 × 29 =522