Andrea Tan's answer to A's Primary 6 Maths Algebra Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Let x be the number of days he read, which had an average of 15 books read a day.
(15x + 88) / (x+4) = 17
15x + 88 = 17x + 68
2x = 20
x = 10
Total number of days = 10 + 4 = 14
(15x + 88) / (x+4) = 17
15x + 88 = 17x + 68
2x = 20
x = 10
Total number of days = 10 + 4 = 14
Date Posted:
3 years ago
Thanks
Welcome!
360 Tutoring Program