AC Lim's answer to JOAN's Secondary 3 E Maths Singapore question.
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Hope this helps
Date Posted:
2 years ago
Since they say less than 386, doesn't that mean I should =385?
Yes. You are right but we use < (less than) ,for calculation.
So,
4x +6 < 386
x < 95
x = 94
Answer = 94+3 = 97
So,
4x +6 < 386
x < 95
x = 94
Answer = 94+3 = 97
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