White, red and grey cloths are sold in 40 cm, 80 cm and 60 cm long respectively. Daniel wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- white cloth
- red cloth
- grey cloth
(a)
LCM of 40, 80 and 60 is 240.
Number of rolls for white cloth
= 240 ÷ 40
= 6
(b)
Number of rolls for red cloth
= 240 ÷ 80
= 3
(c)
Number of rolls for grey cloth
= 240 ÷ 60
= 4
Answer(s): (a) 6; (b) 3; (c) 4