Angie got some money for his birthday. he spent 1/5 of it on dog treats for his puppy. then he divided the remainder equally among his 3 favorite charities. if he donated $60 to each charity, how much money did he receive for his birthday?

What is the total surface area of this square pyramid?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative