Formulate only, don't solve: Your company makes two types of trail mixes: PowerTrail and FunTrail. Each contains a mixture of nuts, dried fruit and chocolate chips. You have 250 kg of nuts, 200 kg of dried fruit, and 100kg of chocolate chips on hand. The PowerTrail mix must be at least 60% nuts and at least 25% dried fruit and no more than 10% chocolate chips. The FunTrail mix calls for at least 25% chocolate chips and at least 25% dried fruit. PowerTrail sells for $26/kg and FunTrail sells