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 moment ago, there were a total of 1200 spectators at a football match. 346 of the male spectators and 458 of the female spectators left the stadium. Now there are thrice as many male as female spectators left in the stadium. How many more male than female spectators are there in the stadium now?
Level 3
Luke and Sam had an equal number of lollipops at first. After Luke bought another 6 lollipops and Sam lost 9 lollipops, Luke had thrice as many lollipops as Sam. Find the number of lollipops each of them had at first.
Level 3
Min and Tina had an equal number of candies. After Min bought another 20 candies and Tina bought another 6 candies, Min had thrice as many candies as Tina. Find the number of candies each of them had 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?