Yxcas's answer to Victor's Secondary 1 Maths Singapore question.
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a) Walk time = distance / speed = 1500 / 40 = 37.5mins
b) Average speed = total distance / total time took
= (1500 + 800) / (37.5 + 15 + 4)
= 2300 / 56.5
= 40.71m/min (2d.p.)
b) Average speed = total distance / total time took
= (1500 + 800) / (37.5 + 15 + 4)
= 2300 / 56.5
= 40.71m/min (2d.p.)
Date Posted:
3 months ago
Thank you so much
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