Six friends go out to eat. The bill, including tax and tip, came out to $84.00. Two of the friends paid one-half of the bill. The other four friends paid the other half. How much money did each of the four friends have to pay? Assume each of the four friends paid the same amount.

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.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?