Green, blue and yellow cloths are sold in 20 cm, 30 cm and 80 cm long respectively. Jenson wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- green cloth
- blue cloth
- yellow cloth
(a)
LCM of 20, 30 and 80 is 240.
Number of rolls for green cloth
= 240 ÷ 20
= 12
(b)
Number of rolls for blue cloth
= 240 ÷ 30
= 8
(c)
Number of rolls for yellow cloth
= 240 ÷ 80
= 3
Answer(s): (a) 12; (b) 8; (c) 3