The graph below shows the relationship between the number of dollars x and the number of tickets you can buy y. Tell whether the
quantities are in a proportional relationship. If so write an equation that represents the relationship.
A. This relationship is proportional. The equation is y=1/12x.
B. This relationship is proportional. The equation is y= 12x+4.
C. This relationship is proportional. The equation is y=12x.
D. This relationship is not proportional
A. This relationship is proportional. The equation is y=1/12x.
B. This relationship is proportional. The equation is y= 12x+4.
C. This relationship is proportional. The equation is y=12x.
D. This relationship is not proportional
1 answer:
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Answer:
The number of students that bring their lunches is 12
Step-by-step explanation:
Let
x -----> the number of students that bring their lunches
y -----> the total number of students in a class
we know that
The number of students that bring their lunches divided by the total number of students in a class must be equal to 3/8
-----> equation A
-----> equation B
substitute the value of y in equation A and solve for x
therefore
The number of students that bring their lunches is 12