Maths - Problem of the Week E Week 1 (2015) [Year 11/12] {PDF | ENG} | *Jdrocks21*seeders: 1
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Maths - Problem of the Week E Week 1 (2015) [Year 11/12] {PDF | ENG} | *Jdrocks21* (Size: 325.83 KB)
Description General Info ********** Problem of the Week E Week 1 The Quest For Ann Sirs for Year 11 and 12 students. Publisher: University of Waterloo (CEMC) Published: 2015 Description ********** The Problem of the Week is designed to provide students with an ongoing opportunity to solve mathematical problems. Problem ********** Ann Sirs has already written three mathematics tests, worth 100 marks each. The average of her marks on her first two tests is calculated and then averaged with her third test mark giving an average of 86%. The average of her marks on her second and third tests is calculated and then averaged with her first test mark giving an average of 79.5%. The average of her marks on her first and third tests is calculated and then averaged with her second test mark giving an average of 81.5%. Her fourth mathematics test is tomorrow and it is also out of 100. What mark does Ann need on her test to achieve an overall average of 85% in her mathematics course? Related Torrents
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