3) Beth and Ted are selling cookie dough for a school fundraiser. Customers can buy packages of sugar cookie dough and packages of gingerbread cookie dough. Beth sold 8 packages of sugar cookie dough and 6 packages of gingerbread cookie dough for a total of $128. Ted sold 7 packages of sugar cookie dough and 6 packages of gingerbread cookie dough for a total of $121. Find the cost each of one package of sugar cookie dough and one package of gingerbread cookie dough. how am I able to figure it out