Pranav and Ndiba are selling cookie dough for a school fundraiser. Customers can buy packages of chocolate chip cookie dough and packages of oatmeal cookie dough. Pranav sold 5 packages of chocolate chip cookie dough and 6 packages of oatmeal cookie dough for a total of $86. Ndiba sold 1 package of chocolate chip cookie dough and 6 packages of ontmeal cookie dough for a total of $70. Find the cost a each of one package of chocolate chip cookie dough and one package of oatmeal cookie dough.