Let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15
I think because it's different answers/equation and it it's the same just combine like terms!
Answer:
We need more info.
Step-by-step explanation:
Negative slope and shifted 5 down on the y axis with a root at x=-5
Ñame a fraction between 8/9 and 1.
1.888