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