Level 3
Kenny had 960 i-phones and some i-pads in his shop. After selling 230 i-phones and buying another 170 i-pads, he had the same number of i-phones and i-pads. How many i-pads did Kenny have at first?
Level 3
A bus had some passengers at the beginning. After 10 passengers alighted from the bus and another 46 passengers boarded the bus, there were two times as many passengers as before. How many passengers were there on the bus at first?
Level 3
The mass of a basket with 2 papayas is 3 kg 20 g. The mass of the basket with 5 papayas is 5 kg 60 g. What is the mass of the empty basket? Express the answer in kg and g.
