Four friend were born in consecutive years. the sum of their age should is 94. what is the age of the oldest friend?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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.

10% of 1,900,000. show me how you got the answer