A store is having a sale on chocolate chips and walnuts. For 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost is 37 . For 3 pounds of chocolate chips and 5 pounds of walnuts, the total cost is 17 . Find the cost for each pound of chocolate chips and each pound of walnuts.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.