Alice is having her birthday party at a game center the center charges $100 plus $20 per guest how many guests did alice have at a party if she paid $420

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Indicate the formula for the following conditions: p^c(n,r)=

Tim tradesman pays $2,000 annually for $125,000 worth of life insurance. what is the cash value of the policy after 10 years? 11,125 13,125 17,800 111,250