1."I'd say our square lawn is small enough already," said Elsie. "But do whatever you want." Mark smiled. "You'll like it, as there'll be more room for flowers," he told her. "I'll dig up a 1-metre strip along the far end and down one side, so we'll lose only eleven square metres of lawn." What was the existing area?

23 square metres

36 square metres

16 square metres