Sarah's answer to ally's Secondary 4 E Maths Singapore question.
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a. 40/y
b. 10/(y-8)
c. prove
d. y=32 or y=6 (reject this abs because speed needs to be more than 8)
e. 24km/h
b. 10/(y-8)
c. prove
d. y=32 or y=6 (reject this abs because speed needs to be more than 8)
e. 24km/h
Date Posted:
3 years ago
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