James borrows $4200 to pay his college tuition. he signs a 5 year simple interest loan. if the monthly payments are $78.40, what is the interest rate on the loan?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

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?