Julia's frogs are 2 5 of the amount of Rimma's frogs. If Rimma gives 1 2 of her frogs to Julia, what will be the ratio of Julia's frogs to Rimma's frogs?

Answer:the ratio of Julia's frogs to Rimma's frogs is 1.8 : 1

Step-by-step explanation:

Let x represent the total number of frogs that Rimma had.

Julia's frogs are 2/5 of the amount of Rimma's frogs. This means that the number of frogs that Julia had is

2/5 * x = 2x/5

If Rimma gives 1/2 of her frogs to Julia, the number of frogs that Julia gets from Rimma would be

1/2 * x = x/2 frogs. Total number of frogs that Julia would have becomes

2x/5 + x/2 = (4x + 5x) / 10 = 9x/0

The number of frogs that Rimma has left would be 1/2 * x = x/2

The ratio of Julia's frogs to Rimma's frogs would be

(9x/10) / (x/2) = (9/5) / 1

= 1.8 : 1