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primary 5 | Maths | Whole Numbers
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Jonas
Jonas

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Problem sums, Average

Date Posted: 1 week ago
Views: 22

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average marks of 5 students = 78
total marks of 5 students = 5x78 = 390
highest mark among the 5 students = 90
lowest mark among the 5 students = 50
since they want the highest average mark of 4 students, we remove the student with the lowest mark
total marks of 5 student - lowest mark 50
= 390-50
= 340
average marks among 4 students
= 340÷4
=85
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hehe
Hehe's answer
21 answers (A Helpful Person)
1st
Jonas
Jonas
1 week ago
Super!! THANKS!!
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HiderApplecross
Hiderapplecross's answer
802 answers (Tutor Details)
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