At Fruits R Us, Mr. Orchard realizes that dried pineapple slices and dried apricots were two of his top dried fruit sellers. So he decided to make a mixture of the two. The dried pineapple slices sell for $5 per pound and the dried apricots sell for $8 per pound. If the store owner wants to make 300 pounds of the fruit mixture to sell at $7 per pound, how much of each type of fruit should be used to make the mixture.