Z would be located on 2, since (9+2 =11)
3/5=6/10 so Naomi got 138.
Luke got 69.
And Natalie got 23.

multiplying both sides by x^2

simplifying

dividing by 7
Sale price = $450
original price = 25%y
dicount = +20%
solution = $450 × 45%
= $202.5
= $652.5
i am a mathematics teacher. if anything to ask please pm me