Cuanto vale 10 de 15 en un examen?​

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.