2/5 1/4 3/10 that is ur answer 20 percent 25 percent and 30 percent
Answer:
the answer is 1/10.....and yh
I would guess 4 hours in that case
Answer:
14.25 hours
Step-by-step explanation:
Four tires = 3/4 of an hour
=> 1 car = 3/4 of an hour
=> 19 cars = ?
=> If 1 = 3/4
=> 19 = 3/4 x 19
=> 3/4 x 19
=> 57/4
=> 14.25 hours
So, it would take 14.25 hours for 19 car's tires to be changed.