Help please right answer oonnnly

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?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Yvaries directly as x. y =90 when x=6. find y when x=13