The soccer team is selling candy for a fundraiser. Each chocolate bar sells for $2 and each skittles sells for $4. There was a total of $320 in revenue from the sale of 110 total candies. Which system of equations can be used to determine the number of chocolates sold, x, and the number of skittles sold, y

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?