Felicity has an online business. she charges $2.50 per wedding invitation. her monthly expenses are $650. how many invitations must she make to earn a profit of $2,800 per month?

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

With finding limits of multi variable !

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25