Question

Prenell is filling his car with gasoline. Regular unleaded gas costs $1.89 per gallon. Which two equations show the proportional relationship between the total cost, c, and the price per gallon, p, of gasoline?

(more than one answer)

a. p=1.89c
b. c=1.89/p
c. pc=1.89
d. c=1.89p
e. p/c=1.89
f. c/p=1.89

Answer 1

Answer:

Step-by-step explanation:

For all Plato users.

Answer 2

c = 1.89p and c/p = 1.89 these two equation shows the proportional relationship between the cost c, and price p.

What is Proportionality Constant?

Two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant.

Here, Total cost = $c

         Price per gallon = $ 1.89

Total cost = Price per gallon X total units

c = 1.89 X p

c = 1.89p

or, c/p = 1.89

Thus, c = 1.89p and c/p = 1.89 these two equation shows the proportional relationship between the cost c, and price p.

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