Miranda has a bank account 2% interest rate per year she puts 150 into her account to start how much does she have in her account after a year 

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

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 : /