Level 3
Olivia, Natalie and Kate have 264 marbles. Natalie has ⁷₉ as many marbles as Olivia. Kate's marbles is ¹₂ of the total number of Olivia's and Natalie's marbles. How many marbles must Natalie give to Kate so that both Olivia and Kate will have the same number of marbles?

Level 3
Mr Zane had to collect some fruits from two stalls and deliver some fruits to another stall. He collected from Stall W and the ratio of avocados to papayas was 2 : 3. When he reached Stall X, he unloaded ⁵₆ of the papayas and some avocados from his vehicle. The ratio of avocados to papayas became 4 : 5. At Stall Y, 124 avocados and 26 papayas were collected and the number of avocados to papayas became the same.

1. How many fruits were there on his vehicle after visiting Stall Y?
2. How many avocados were delivered to Stall X?

Level 3
Wendy had $779 more than Hazel. Wendy spent 0.6 of her money and Hazel spent 50% of her money. In the end, Wendy and Hazel had the same amount of money left. Find the amount of money that Wendy had in the end.

Level 3
A laptop costs $360 more than a tablet. 4 such tablets cost as much as 2 handphones. If each handphone costs $720. Find the cost of 3 laptops.