Just subtitute 5 as x in the equation given for f.
2(5)+8=18.
Let t = the number of tacos sold
Let b = the number of burritos sold
3t + 7.25b = 595
B=2t
14+5= 19; 19-8=11. the hotel elevator is now on the 11th floor
It will be six laps because 8 times three equal 24 and 2 laps in 8 minutes each 8 min will be two so 2 times three equal six