Quantitative Literacy practice

Question

It takes you 46 seconds to walk from the first​ (ground) floor of a building to the third floor. How long will it take you to walk from the first floor to the sixth floor​ (at the same​ pace, assuming all floors have the same​ height)?

Answer 1

if it takes 46 seconds to go 2 floors, then it takes 23 seconds per floor,

To go 6 floors will take 5 x 23 = 115 seconds