Art of Problem Solving: 2019 AMC 10 A #24

Art of Problem Solving's Richard Rusczyk solves the 2019 AMC 10 A #24.

[nidhiaggarwal]

But the question says that s can't be p, Q and r, I dont understand how he substituted s=p

[dddd-txhv]

i took basically the same soln but i didnt substitute s=p bc i thought it was restricted, had to monkey around with the variables a lot

[jndd]

Woah... that's such a cool prob :) It has a nice, clean sol too.

[RaZorasiangamer]

Intermediate algebra by aops makes this problem very free

[chuyanwang]

I think this is a harsh one because I couldn't think of the coefficient thing TT

[vsivsi]

This questions put to our semifinal test! Uh!

[kubyoindiya]

the best math problems are always explained by quirkiest ppl 😂

[zchenlic]

But it says s cannot be equal to p, q, r