Purple, white and blue cloths are sold in 60 cm, 40 cm and 30 cm long respectively. Brandon wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- purple cloth
- white cloth
- blue cloth
(a)
LCM of 60, 40 and 30 is 120.
Number of rolls for purple cloth
= 120 ÷ 60
= 2
(b)
Number of rolls for white cloth
= 120 ÷ 40
= 3
(c)
Number of rolls for blue cloth
= 120 ÷ 30
= 4
Answer(s): (a) 2; (b) 3; (c) 4