Question

for 9 pounds of trail mix and 7 pounds of jelly beans, the total is $51 for 3 pounds of trail mix and 5 pounds of jelly beans, the total cost is $27 find the total cost for each pound of trail mix and each pound of jelly beans

Answer 1

Answer:

Trail Mix is $2.75 per pound while Jelly beans are $3.75 per pound

Step-by-step explanation:

9x+7y=51

3x+57=27

multiplied 2nd equation by -3

9x+7y=51

-9x-15y=-81

cancel out

-18y=-30

y=3.75

substitute back in

9x+7(3.75)=51

solve

x=2.75

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