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Olenka [21]
2 years ago
10

a grocery bag containing 4 potatoes weighs 2 pounds. An identical bag contains 12 potatoes weighs 4 pounds. Write an equation in

standard form that shows the relationship of the weight (y) and the number of potatoes (x).

Mathematics
2 answers:
diamong [38]2 years ago
8 0
<h2>Answer with Step-by-step explanation:</h2>

Let, the equation which represents  relationship of the weight (y) and the number of potatoes (x) be

y=mx+c

y=2 when x=4

i.e. 4m+c=2 -------(1)

and y=4 when x=12

i.e. 12m+c=4   --------(2)

Subtracting equation (1) from (2), we get

8m=2

i.e. m=1/4

Putting value of m in (1), we get

1+c=2

i.e. c=1

So,  an equation in standard form that shows the relationship of the weight (y) and the number of potatoes (x) is:

y= \dfrac{1}{4}x+1

dolphi86 [110]2 years ago
3 0
Use the ordered pairs to first find the slope then substitution into y=mx+b to find b

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