AC Lim's answer to Vera's Primary 6 Maths Algebra Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Day 1 = u
Day 2 = u+3
Day 3 = u+6
Day 4 = u+9
Day 5 = u+12
Total = 5u + 30
Therefore,
5u+30 = 55
5u = 25
1u = 5
Day 5 = u +12 = 5+12 =17
Day 2 = u+3
Day 3 = u+6
Day 4 = u+9
Day 5 = u+12
Total = 5u + 30
Therefore,
5u+30 = 55
5u = 25
1u = 5
Day 5 = u +12 = 5+12 =17
Date Posted:
3 years ago
Thank you
360 Tutoring Program