A person needs 6 steps to cover a distance of one slab. If he increases his foot length (step length) by 3 inches, he needs only 5 steps to cover the slabs length. What is the length of the each slab

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1. 18inches

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2. 90 inches

   Slab = 6(x) where x is each step
   Slab = 5(x + 3)

   6(x) = 5(x + 3)
   6(x) = 5(x) + 15
   x = 15 inches

   So 6(x) = 6(15) = 90

   Check: 5( x + 3) = 5(18) = 90

   Slab size is 90 inches

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