Question

In a toy​ store, the ratio of the number of teddy bears to the number of dolls is 7:3 . If the store has 140 teddy bears ​, how many dolls are in the​ store?

Answer 1

I prefer to set their units in order so it can help me;

Bears/Dolls

7 Bears 140 bears

_______ = _______

3 Dolls x

⇒ 7 Bears x20 140 bears

_______ = _______ , 3(20) = 60 Dolls

3 Dolls x20 x