10 Mar '22 07:29>
There is an 11-car train. The sum of passengers for any 3 consecutive cars is 99. There are 381 total passengers.
How many passengers are in car #9?
How many passengers are in car #9?
@bigdogg saidI'm going to spoiler this whole answer, except for a few hints.
There is an 11-car train. The sum of passengers for any 3 consecutive cars is 99. There are 381 total passengers.
How many passengers are in car #9?
@shallow-blue saidSOLV'D
I'm going to spoiler this whole answer, except for a few hints.
The first three carriages together must have 99 passengers total. Let's call them A, B and C, so A+B+C=99.
Now Hidden content removed The whole train is Hidden content removed, and carriage 9 is Hidden content removed, the 9th carriage, Hidden content remov ...[text shortened]... es, except that [i][b]Hidden content removed, and each Hidden content removed.
@shallow-blue saidI enjoyed it as well. Takes some thought, but not overly difficult.
It was a nice one.
@shallow-blue saidI’m impressed and I didn’t even reveal the hidden content!
I'm going to spoiler this whole answer, except for a few hints.
The first three carriages together must have 99 passengers total. Let's call them A, B and C, so A+B+C=99.
Now Hidden content removed The whole train is Hidden content removed, and carriage 9 is Hidden content removed, the 9th carriage, Hidden content remov ...[text shortened]... es, except that [i][b]Hidden content removed, and each Hidden content removed.