Question

if 12 dolls cost 420 how many dolls can be bought for 455?

Answer 1

cost of 12 dolls = Rs 420
cost of 1 doll = 420/12 = Rs 35
Number of dolls can be bought for Rs 455 = 455/35 = 13
13 dolls can be bought for Rs 455

Answer 2

HEY !

HERE'S YOUR ANSWER

Given -

Dolls = 12
Cost = 455

Find -

1) Cost for one doll?
2) Dolls can be purchased in 455 

Solution - 

1) Cost of one doll =  420÷12  
                              = 35 

2)  Dolls can be purchased in 455 = 455÷35
                                                       = 13

13 Dolls can be purchased in rupees 455

Hope it will helps you