Help! I can’t figure this out!

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Acompany is making new soccer uniforms for a team. the company uses 2.5 yards of fabric for each shirt. the company uses 82.5 yards of fabric to make shirts and shorts for 15 players. the equation and solution below represents the situation. 15(2.5+x)=82.5; x=3 what does the solution, x=3, represent?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?