Level 3
The average number of stickers that Adam and Bryan have is 30.
The average number of stickers that Adam and Chris have is 40.
The number of stickers that Bryan has is 23 as many as Chris.
Level 3
The average number of stickers that Adam and Bryan have is 30.
The average number of stickers that Bryan and Chris have is 50.
The average number of stickers that Chris and Adam have is 40.
Level 3
Sam, Martin, Aden and Ron participated in a Chinese quiz. The average number of points scored by Sam and Martin was 77. The average number of points scored by Martin and Ron was 71.5. The average number of points scored by Sam, Martin and Ron was 73. The average number of points scored by Aden and Ron was 69. How many points did each of them score?
Level 3
The average number of questions Daniel and Callie solved was 203. The average number of questions Callie and Evelyn solved was 194. The average number of questions Evelyn and Daniel solved was 181. How many questions did each of them solve?
Level 3
Class A, B and C were given some chocolate bars to sell for their fundraising event. The average number of chocolate bars the 3 classes had at first was 225. After Class B sold twice as many chocolate bars as Class A and Class C sold 34 as many chocolate bars as Class B, the average number of chocolate bars the 3 classes had left was 45. How many chocolate bars did Class A and Class C sell altogether?
Level 3
The average number of playing cards Brendon and Ricky had was 450. The average number of playing cards Brendon and Jonas had was 240. If the ratio of Ricky's playing cards to Jonas's playing cards was 5 : 2, find the number of playing cards Brendon had.
Level 3
The average weekly number of soft toys produced by Factory X and Y is 3486. The average weekly number of soft toys produced by Factory X and Z is 6586. If Factory Y produced 27 as many soft toys as Factory Z each week, how many soft toys does Factory X produce weekly?
