1. When Florencia went out into the garden, she was surprised to find the men had finished the job. "That was quick work," she said. "54 minutes for the lot!" "Well, we just kept going and it was the same for all three of us," old Gaz replied. "Bob is two-thirds as fast as Bert, and young Bert's half as fast as I am. But I've had more experience." How long would Gaz have taken to do the whole job alone?

Gaz would have taken 99 minutes alone

Gaz would have taken 85 minutes alone

Gaz would have taken 76 minutes alone