Answer:

Step-by-step explanation:
To find the unemployment rate we have the next expression:

We have the next data:
200 million employed
20 million unemployed
40 million umemployed are not looking for a job
Then the total labor force will be the employed and the unemployed population then de have 260 million




Step-by-step explanation:
let the percent of found balloons be x
given,
total number of balloons= 70
number of found balloons= 28
according to the question,
x% of 70= 28
x/100 × 70 = 28
x=40
hence 40% of the balloons were found
If you need the answer as a fraction then it is 5/4
if you need it as a decimal it is 1.25