Question 1127411
c and t are the variables
5c+4t=26.80
7c+6t=38.60
multiply top by 3
15c+12t=80.40 and bottom by -2
-14c-12t=-77.20
c=$2.80
therefore 14+4t=26.80, 4t=12.80 and t=$3.20
this checks in the second equation
The difference between the two prices is $0.40, with tea more expensive.