Can somebody please help me

Jessica is a custodian at oracle arena. she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate. at this rate how many sqaures meters can she wax per hour

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Issof claims that the scale factor is 1/2. which statement about his claim is correct