The difference between 4tens 12 tenths and 25 hundredths and 3 tens 14 tenths and 45 thousandths

1 answer

4tens --- 40
12 tenths ---- 1.2
and 25 hundredths ----- .25
so 41.25
Weird way to describe a number. 12 tenths??

Do the same with the other, then subtract them