URGENT!!!! NEED ANSWERS IN 10 MINUTES!!!! I NEED STEP BY STEP AS WELL, SO I CAN COMPREHEND THIS BETTER! Thank you in advance!
A specialty store has tea worth $15/lb. The owner of the store wants to mix it with 12 lb of tea worth $30/lb to get a blend of tea that is worth $20/lb. How many pounds of the $15/lb tea should the owner use?