They can only sit one way because they are still in a row
Or did you mean like how many different ways can they sit?
Simply add and multiply the numbers and you get 13.235
in word form that would be
13 and 2 tenths and 3 hundredths and 5 thousandths
They use percents less than one to get the the exact number
When you add everything a subtract is from $38.12, you get $16.79 : )
