Brock is training for a crossfit competition. he began the training by completing pull-ups and box jumps. originally, his training plan had him completing pull-ups and box jumps at a ratio of 5: 4. after two months of training, he decided to focus on his leg strength and adjusted his ratio to 2: 7. if he completed 53 box jumps at the end of his training, how many pull-ups did he complete in the initial stage of training?

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =