It's 25, it's saying that the pizza is in 5ths so how many 1/5ths is in 1 pizza? There would be 5 bc 5/5 is a whole so that's one... so there are 5 fiths in each pizza and there are 5 pizzas so 5x5=25
Leslie: h= hours 3/4h=4 1/2 laps divide both sides by 3/4 or .75 1 hour = 6 laps Kayla: 3/4h= 3 1/2 laps divide both sides by 3/4 1 hour = 4 2/3 laps Leslie can do C 1_ 1/3 more laps in an hour than Kayla