Problema Solution
last week, rohana bought n ew computer fire 10% off the advertised price. The advertised price was $1,800. how much did Rohana have to pay for the computer?
Answer provided by our tutors
$1,800 - 10% of $1800
1,800 - 0.10*1800 = (1 - 0.10)*1,800 = 0.90*1,800 = $1,620
Rohana has to pay $1,620 for the computer.