Question

If the cost of 14 soaps is ₹ 539, what will the cost of 3 dozen soaps? (Use Unitary Method only)

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Answer 1

Answer:

Step-by-step explanation:

This is the unitary method:

Given:

Cost of 14 soaps= ₹ 539

Cost of 3 dozen soaps= ?

Solution:

No. of soaps                     Cost

 14                                        539

  36                                       ?

539 x 36

    14

₹1386

Answer 2

$\underline{\underline{\textsf{\maltese\:\: Question :}}}$

If the cost of 14 soaps is ₹ 539, what will the cost of 3 dozen soaps?

Condition : Use Unitary Method only.

$\underline{\underline{\textsf{\maltese\:\: Solution :}}}$

We need to first find the cost of 1 soap then we need to find the cost of 3 dozen of soaps.

1 Dozen = 12 units

3 Dozens = 3 × 12 units

3 Dozens = 36 units

According to the Question ,

$\sf {The\; cost \; of \; 14 \; soaps = Rs \,539}$

$\sf{The\; cost \; of \; 1 \; soaps = \dfrac{Rs \, 539}{14}}$

$\sf {The\; cost \; of \; 3 \; Dozens \; (36 \; soaps) \; soaps = \dfrac{Rs \, 539}{14} \; * \; 36}$

$\sf {The\; cost \; of \; 3 \; Dozens \; (36 \; soaps) \; soaps = \dfrac{Rs \, 539}{14} \; * \; 36}$

$\sf{The\; cost \; of \; 3 \; Dozens \; (36 \; soaps) \; soaps = Rs \, 1,386}$

∴ The cost of 3 dozen soaps (36 soaps) is Rs 1,386.

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