Question

A food store makes a 9-lb mixture of peanuts, cashews, and raisins. Peanuts cost $1.50 per pound, cashews cost $2.00 per pound, and raisins cost $1.00 per pound. The mixture calls for twice as much peanuts the cashews. The total cost of the mixture is $13.00. How much of each ingredient did the store use?

Answer 1

2 lbs. of cashews,
4 lbs. of peanuts, and
3 lbs. of raisins.?