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Re: The tick marks are equally spaced. [#permalink]
GreenlightTestPrep wrote:
Farina wrote:
Attachment:
Number line.png


The tick marks are equally spaced.

Quantity A
Quantity B
m
76


A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given


90 - 30 = 60
There are 10 spaces between 30 and 90

60/10 = 6

So, each space covers 6

Point m is 2 spaces to the left of 90
So, m = 90 - 6 - 6 = 78

We get:
Quantity A: 78
Quantity B: 76

Answer: A


Plz excuse my misunderstanding, aint there 11 points on the line and between the numbers 9?
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Re: The tick marks are equally spaced. [#permalink]
1
Farina wrote:
Plz excuse my misunderstanding, aint there 11 points on the line and between the numbers 9?


I'm only concerned with the number of spaces, since each space represents the distance between two values on a number line.
We already know that there is a distance of 60 units between points 30 and 90.
From there we can conclude that, the distance between each shown point on the line is 6.
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Re: The tick marks are equally spaced. [#permalink]
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