Tami read 12.0045 as "twelve and forty-five thousands". is she correct?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?