Simpfly: 9f + 10f - 12f

7f

Step-by-step explanation:

Just add them all together keeping the f on

Then subtract keeping the f on

7f

Step-by-step explanation:

To simplify you will need to do it the same way as in adding natural numbers the variable doesn't change the number

So it's going to be;

9f+10f-12f

(Nine plus Ten is equal to 19)

•The variable remains the same

19f-12f

•So you subtract 12 from 19 which is going to be;

7f

step-by-step explanation:

no of data

divide by no of mode

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.