Joey uses the equation y=kx to determine how much money (y) he earns after working any number of hours (x) joey earned $450 after 40 hours what value of k in joeys equation

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

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?