Amusic store sells new cds for $13.95 and used cds for $6 50. the total
cost of buying a new cds and y used cds can be found using the expression
13.95x + 6.5y: you buy 3 new cds and 4 used cds find the total cost

answer:

c 60% on edg

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

i'm sorry i don't know

step-by-step explanation: