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Anna [14]
3 years ago
12

Find the constant proportionality (r) using the value for r, enter an equation in the form of. C=rg that represents the relation

ship between the number of the gallons of gasoline used (g) and the total cost(c)
Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer:

3.333

C = 3.3333g

Step-by-step explanation:

Given the relation : C = rg

C = Total cost of gasoline

g = Number of gallons of gasoline used

r = constant of proportionality

Picking any point on the graph :

At cost, c = $30

Number of gallons of gasoline used, g = 9

Putting the values into our equation :

C = rg

$30 = r * 9

30 = 9r

Divide both sides by 9

30/9 = 9r / 9

3.333 = r

Hence, constant of proportionality, r = 3.333

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