Aused bookstore sells paperback fiction books in excellent condition for $2.50 and in fair condition for $0.50 write an expression for the cost of buying x excellent-condition paperbacks and f fair-condition paperbacks

Step-by-step explanation:

Given that a used bookstore sells paperback fiction books in excellent condition for $2.50 and in fair condition for $0.50

Number of excellent condition paperbacks = x

Number of fair-condition paperbacks = f

To find total cost we multiply unit rate 2.50 by x and unit rate 0.50 by f and then add

Hence total cost for buying x excellent-condition paperbacks and f fair-condition paperbacks

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

34

step-by-step explanation: