step 1: bobby: first you multiply 1.12 by $2.50, and you get $2.80. $2.80 is how much bobby spent.
step 2: carla: you have to do 1.4 times $2.20, and you'll get $3.08.
therefore, carla spent more money
the ratio of the sides of triangle jkl to triangle rst is 5: 4.
let's take the corresponding sides jl and rt. note they are opposite the equal angles marked '(('.
jl / rt = 25 / 20