Which situation could be represented by 1.25 x 6 = 7.5?

-it took calvin 1.25 hours to run 6 miles. he ran 7.5 miles per hour.

-sara read for 1.25 hours each day for 6 days. she read for a total of 7.5 hours.

-matthew addressed 1.25 envelopes in 6 minutes. he addressed 7.5 envelopes per minute.

-it took beth 1.25 minutes to paint 6 feet of board. she painted a total of 7.5 feet of the board.

Can someone me i’m confused. will give brainliest and a whole bunch of points

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)) =

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu