Mark is trying to find the length of a building block. He knows that the sum of 2.5 times the length of the block, 5 times the length of the block, and 1.9 inches is equal to 12.4 inches. What is the length of the building block?

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

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