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

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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options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

853.3

step-by-step explanation: