: Internet access to use online banking costs you $39.99 per month. A book of checks costs you $17.95 per 100. Your bank charges you a $.05 per check writing fee for over 5 checks per month. You write an average of 25 checks per month and each one needs a 50 cent stamp. What is your cost difference per month to use online banking vs check writing?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

I’m still confused on how to work the percentages

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4