3. Three art students used a total of 28 - inches of string for an art project. 늘 Each student used 2 1 1 2 inches of string plus an additional 13 inches of string for each day they worked on the art project. Each student worked on the project the same number of days. Which equation could be used to find d, the number of days the students worked on the art project? 4 А 28 B 28 28- +1 28.1 = 3(234) + C D. 28 +

Which of the following lines is not parallel to the graph of y = 4x +7?

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)) =

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest