30 square stone slabs of equal size were needed to cover a floor area of 120 sq.m. Find the length of each stone slab? Choose the correct choice: A) 120 cm B) 200 cm C) 88 cm D) 666 cm E) 776 cm

Rationale: area of each slab = 120 / 30 m 2 = 4 m 2 length of each slab √ 4 = 2 m = 200 cm b
Answer: B