Respuesta :

Here,
cost of 3 handkerchiefs = Rs.2.29
Cost of 1 handkerchief = 2.29 ÷ 3
= Rs. 0.763
Therefore, cost of handkerchief per dozen = Rs. 0.763 × Rs.12
=Rs.9.156

Answer: $9.16

Step-by-step explanation:

Given : The cost of 3 handkerchief = $2.29

Then , the cost of one handkerchief =[tex]\dfrac{\$2.29}{3}[/tex]

We know that one dozen contains 12 units.

Now, the cost of 12 handkerchief= [tex]\dfrac{\$2.29}{3}\times12=\$9.16[/tex]

Hence, the  cost per dozen of handkerchief is $9.16.