Joanna recorded the number of laps she swam during practice in one week. Freestyle 100
Breaststroke 50
Backstroke 60
Butterfly 25

What is the value of the breaststroke to butterfly ratio?

Type your answer as a fraction in simplest form.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Combine like terms to make a simpler expression 3z+z