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Dani's estimate for the cost of tiling her bathroom floor is $50 plus $3 per square foot. Write a linear equation showing the total cost.

Danis Estimate For The Cost Of Tiling Her Bathroom Floor Is 50 Plus 3 Per Square Foot Write A Linear Equation Showing The Total Cost class=

Sagot :

Let x represent the number of square ft. which needs to be tiled up and y represent the cost of tiling them

then $50 is the basic cost then y can be written as

y = 50 + 3x

which is straight line of slope 3 and y intercept 50