How can the subtraction problem 9−4 be rewritten as an addition problem?
1 answer:
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Answer:
Step-by-step explanation:
Let
n ----> represent the number of tickets purchased
y ---> the total cost for a visit to the carnival in dollars
we know that
The linear equation in slope intercept form is equal to
where
m is the slope or unit rate of the linear equation
b is the y-intercept or initial value
In this problem we have
The unit rate or slope is equal to
The y-intercept is equal to the cost for enter (value of y when the value of x is equal to zero)
substitute
For n=20 tickets
substitute the value of n and solve for y