Pedro mixes \(\frac{3}{4}\) teaspoon of plant food into each gallon of water. How many teaspoons of plant food should Pedro mix into 5 gallons of water?
Ivana has \(\frac{3}{4}\) pound of hamburger meat. She makes 3 hamburger patties. Each patty weighs the same amount. How much does each hamburger patty weigh?
Lance wants to find the total length of 3 boards. He uses the expression \(3\frac{1}{2}+(2+4\frac{1}{2})\). How can Lance rewrite the expression using both the Associative and Commutative Properties of Addition?