Convert .18 into a fraction. Simplify

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Which table shows a proportional relationship between miles traveled and gas used?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way