Jennifer and her sister went together to get haircuts. Jennifer got 9 1/2 inches cut off and her sister got 3 9/10 inches cut off. Compared to her sister, how much more hair did Jennifer get taken off?

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

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 if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative