1. Sam placed the packet in the heap beside him. "That's enough for now," he declared. "Folks don't appreciate fine tea like they did." "Maybe not, but what's the blend you've been making up?" asked Joe. "I see you'll sell it at 64 pence a pound." "That's right. A mixture of pure lapsang and oolong," the old man replied. "I pay 47 pence a pound for the oolong and 34 pence for lapsang, and my mark up is only 60 per cent." What was the ratio in his blend?

7 pounds oolong to 6 pounds lapsang

5 pounds oolong to 8 pounds lapsang

6 pounds oolong to 7 pounds lapsang