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