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Question

Dear All,

How to solve simply & model drawing for below problem:

At the first stop along a train route, some passengers boarded an empty train.

At the second stop, 3/10th of the passengers alighted and 84 passengers boarded the train.

At  the third stop, 2/7 th of the passengers alighted and 68 passengers boarded the train.

Train had 428 passengers at the end. HOw many passengers boarded the train at the first stop?

Source: Lianhua Primary

Answer

1 Reply 1 Like ✔Accepted Answer

Thank you so much. Really appreciate your help

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Solving without model drawing,
Working backwards,
428 – 68 = 360
1 – 2/7 = 5/7 ——-> 360
7/7 ——-> 504
504 – 84 = 420
1 – 3/10 = 7/10 ——-> 420
10/10 ——-> 600

Ans : 600 passengers.

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