A 17.5 gallon tank is 1/3 full. How many more gallons of water does it take to fill the tank?

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?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm