Question

The costs of a dozen biscuit packets is rupees 120 find the cost of 19 such packets

Answer 1

Given:

The cost of a dozen biscuit package = Rs 120

To Find :

The cost of 19 packets

Solution :

Apply unitary method

∵ 1 dozen = 12 pieces

So, According to question

The price of 12 biscuit package = Rs 120

∴ The price of 1 biscuit package = Rs $\dfrac{120}{12}$

So, The price of 19 biscuit package = Rs $\dfrac{120}{12}$ × 19

                                                          = Rs 10 × 19

                                                          = Rs 190 .

Hence, The price of 19 biscuit package is Rs 190 . Answer

                                                       

Answer 2

Answer:

1 dozen = 12 biscuits

no. of rupees= 120

so,

120/12 × 19

10×19 = 190

190 ANS