Noah’s Café sells special blends of coffee mixtures. Noah wants to create a 20-pound mixture with coffee that sells for $9.20 per pound and coffee that sells for $5.50 per pound. How many pounds of each mixture should he blend to create coffee that sells for $6.98 per pound? a 10 pounds of the $5.50-per-pound coffee, 10 pounds of the $9.29-per-pound coffee b 15 pounds of the $5.50-per-pound coffee, 5 pounds of the $9.20-per-pound coffee c 12 pounds of the $5.50-per-pound coffee, 8 pounds of the $9.20-per-pound coffee d 8 pounds of the $5.50-per-pound coffee, 12 pounds of the $9.29-per-pound coffee