Liz types 180 words in three minutes. At that rate how many minutes does it take her to type 1260 words
1 answer:
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Option D
<u>Answer: </u>
y = is the equation representing proportional relationship.
<u> Solution: </u>
For the proportional relationship, for all values of x, must be a constant value.
Let’s check option A.
Divide both the sides by x.
For x = 1,
For x = 2,
So is different for x = 1 and x = 2.
So option A do not represent proportional relationship.
Similarly for option B and C also there is constant term in the equation.
So option B and C will also have different values of for two values of x.
For option D
So for all value of x in above case y/x will be 1/3 .hence D is correct option , that is y = (1/3)x is the equation represents proportional relationship.