There are 250 dolls in a shop. Out of every 20 dolls, 15 are Barbie dolls. The estimated the number of Barbie dolls in the shop is
Out of every 20 dolls, 15 are Barbie dolls.
Estimated number of Barbie dolls in the shop = 1520×250
= 187.5
= 188
Hence, the estimated number of Barbie dolls is 188.