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Help Jerry! Anyone can contribute an answer, even non-tutors.
I want to know how to draw a model,thank you!
Date Posted: 3 weeks ago
Views: 27
In the end:
N has 180
L has 180 (3/4)
180/3 = 60
Before that:
L has 180 + 60 = 240
N has 180 - 60 = 120 (4/5)
120/4 = 30
At first:
N has 120 + 30 = 150
L has 240 - 30 = 210
Nadia has 150 buttons at first.
** Reverse logic works better than the rigid model approach for this question.
N has 180
L has 180 (3/4)
180/3 = 60
Before that:
L has 180 + 60 = 240
N has 180 - 60 = 120 (4/5)
120/4 = 30
At first:
N has 120 + 30 = 150
L has 240 - 30 = 210
Nadia has 150 buttons at first.
** Reverse logic works better than the rigid model approach for this question.
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