Respuesta :
Answer:
Step-by-step explanation:
12 x + 4 y = 42 .............1
16 x + 8 y = 64 .............2
Eliminate y
multiply (1)by -2
Multiply (2) by 1
-24 x -8 y = -84
16 x 8 y = 64
Add the two equations
-8 x = -20
Answer:
$2.6 for 25 pound bag; $2.8 for 30 pound bag
Step-by-step explanation:
To figure out the cost per pound, you need to divide the cost by the total number of pounds. So, for the 25 pound bag, divide 65 by 25 to get $2.6. For the 30 pound bag, divide 84 by 30 to get 2.8. Â Â Â Â Â Â Â Â Â Â Â Â