posted by Gio .
Subtract 16.45 from 87.00
Ok I didn't put the decimal after 87 & I got it wrong (15.58) thanks!
15.58 is not the answer.
Think of money.
If you have $87.00 and spend $16.45, how much do you have left?
The answer is in the Google link above.
Right. Do you see why 70.55 is the right answer?