ST's answer to Woah Yun's Primary 3 Maths Singapore question.

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St's answer
20 answers (Tutor Details)
1st
There were 28 people on the bus when it left the bus stop.

Add 5 people who alighted: 28+5=33
Subtract 9 people who boarded: 33-9=24

24 people were onboard the bus when it left the bus interchange.