The U. S. Environmental protection agency (EPA) began on this date in 1970. The roles of the EPA are to protect human health and to safeguard the natural environment (air, water, and land). The EPS monitors the fuel economy tests that vehicle manufacturers use to advertise the gas mileage of their vehicles. The last time you filled the gad tank on your car, the odometer read 72, 369 miles. Now the odometer reads 72, 831 miles and you just spent $56 to fill tank. The price of gas is $4/gallon. What was the fuel economy of your car since your last fill-up?

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step-by-step explanation:

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.

536

step-by-step explanation:

560

step-by-step explanation:

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