How many euros can you get for $2,500 if one euro is worth $1.2803?

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?

If a=0.333333 and b=0.55555, what is the value of a+b

Me because i don't understand how to do it.: )