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4 votes
Find the line y=2/5x if the y-coordinate is 20, what is the x-coordinate

1 Answer

5 votes
well..
If y = 20 then we can set up our equation
2/5 = 0.4
So in its place i will just put 0.4
20 = 0.4x we just divide both sides by 0.4
÷0.4 = ÷0.4 It cancels out on the right side and we solve for the right
20 ÷ 0.4 = 50

So when
y = 20
then..
x = 50

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User Nikul Panchal
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