Erfana Beevee Binte Hassan Shariff's answer to rick's Secondary 1 Maths Singapore question.

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Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
275 answers (Tutor Details)
1st
Whether scheme A or scheme B is used, Ali’s increase in pay will be the same. So we equate the increase in scheme A with the increase in scheme B and find the salary. Hope this helps.