Katie likes to pose puzzles for her grandchildren, Andrea and Brian, who are 14 and 11 years old, respectively. One day, the grandchildren asked Katie how long she and
Grandpa had been married. Katie said, “If you add Andrea's age to one-third of the
years we have been married, you will get the same result as adding one more than
the difference between Andrea's and Brian's ages to one-half the years we have been
married." How long have Grandpa and Grandma been married?

Do 12/14 and 8/10 have the same value? explain your answer.

How to determine whether two known pairs of points are on the same line.

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)) =