Mathematics, 21.12.2020 03:10 PineappleDevil889
Jeremy can row 2/3 of a mile in 1/2 of an hour. What is the unit rate that describes the miles per hour? *
1 point
A. 1 1/2 miles per hour
B. 1/3 miles per hour
C. 1 1/3 miles per hour
D. 1/3 hours per mile
Answers: 2
Answer from: Quest
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.
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