Bella uses 2 sticks of butter for 20 cakes. she used 8 sticks of butter for 50 cakes. how many sticks of butter will be needed for 60 cakes.

Step-by-step explanation:

Let

x ----> the number of sticks of butter

y ----> the number of cakes

In this problem we have the ordered pairs

(2,20) and (8,50)

Find the slope

Find the linear equation in slope intercept form

where

m is the slope

b is the y-intercept

we have

substitute

solve for b

substitute

For y=60 cakes

substitute in the linear equation and solve for x

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the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x