Can i please get help on this one... I will mark you brainliest :)

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?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?