To calculate the perimeter of a rectangle what you would do is add the parallel sides together so 11+11=22 and then 4+4=8 so we would add 22+8=30
So your answer would be 30
(correct me if im wrong)
Ok so the consent rate is 5 and 8
To estimate an amount to the tenth we have 3 steps to follow: ...
STEP 2: We add the rounded numbers. ...
STEP 1: Round the summands.
STEP 2: Add the rounded numbers.
STEP 3: Look at the total amount of rounding.
We have rounded the two summands down.