An aquarium tank holds 475 liters of water. how much is this in gallons? use the following conversion: 1 gallon is 3.8 liters.

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much