What is 7 times 5/6 in multiply fractions

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Find the maximum value of p= 4x + 5y subject to the following constraints :

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase