Red, pink and blue cloths are sold in 60 cm, 40 cm and 20 cm long respectively. Simon wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- red cloth
- pink cloth
- blue cloth
(a)
LCM of 60, 40 and 20 is 120.
Number of rolls for red cloth
= 120 ÷ 60
= 2
(b)
Number of rolls for pink cloth
= 120 ÷ 40
= 3
(c)
Number of rolls for blue cloth
= 120 ÷ 20
= 6
Answer(s): (a) 2; (b) 3; (c) 6