Aroller skating rink offers a special rate for birthday parties. on the samr day, a party for 10 skaters cost $107 and a party for 15 skaters cost $137. how much would a party for 12 skaters cost?

$119

Step-by-step explanation:

Let

x -----> the number of skaters

y -----> the cost for birthday parties

we have the points

(10,107) and (15,137)

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

substitute the values

step 2

Find the equation of the line in point slope form

we have

substitute

step 3

Convert to slope intercept form

step 4

How much would a party for 12 skaters cost?

For x=12 skaters

substitute the value of x in the equation and solve for y

you going to fail stop

step-by-step explanation:

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