Sonia takes 4/5 walk every day. what part of her walk has she completed once she has walked 3/5

She has completed 3/4 of her walk

Step-by-step explanation:

In this problem

we know that

4/5 represent the 100%

so

using proportion

Find out what percentage represent 3/5

Let

x -----> the percentage that represent 3/5

Convert to fraction number

therefore

She has completed 3/4 of her walk

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.