Question 1012424
.
J=cost of jelly beans; T=cost of trail mix
.
3J+8T=$23.00
5J+2T=$10.00 . Multiply this by 4
20J+8T=$40.00 . Subtract this from first equation.
-17J=-$17.00
J=$1.00
ANSWER 1: Jelly Beans cost $1.00/pound.
.
3J+8T=$23.00
3($1)+8T=$23.00
$3+8T=$23.00
8T=$20.00
T=$2.50
ANSWER 2: Trail mix costs $2.50/pound.
.
CHECK:
5J+2T=$10
5($1)+2($2.50)=$10
$5+$5=$10
$10=$10