Level 1
Henry sent a parcel to his friend in Canada. Given that his parcel weighed 3 kg and the cost of postage to Canada was $1.26 per kg, how much would it cost Henry to send the parcel?
Level 2
Jonathan paid $18.40 for a CD. He bought another MP3 player which cost 4 times as much as the CD. What was the total cost of the MP3 player and the CD?