Daisy takes 3/4 of an hour to fill one shelf at the supermarket. Chloe can fill the shelves in two-thirds Daisy's time. The are 15 total shelves. If they both work together how long will it take to fill the shelves? Hint! You Multiply Daisy's time by 2/3 to figure out how fast Chloe fills shelves. Then You need to add those fractions together to figure out how many shelves they can both fill in an hour.