Silver, blue and yellow cloths are sold in 40 cm, 10 cm and 30 cm long respectively. Glen wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- silver cloth
- blue cloth
- yellow cloth
(a)
LCM of 40, 10 and 30 is 120.
Number of rolls for silver cloth
= 120 ÷ 40
= 3
(b)
Number of rolls for blue cloth
= 120 ÷ 10
= 12
(c)
Number of rolls for yellow cloth
= 120 ÷ 30
= 4
Answer(s): (a) 3; (b) 12; (c) 4