Black, green and purple cloths are sold in 80 cm, 60 cm and 10 cm long respectively. Oliver wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- black cloth
- green cloth
- purple cloth
(a)
LCM of 80, 60 and 10 is 240.
Number of rolls for black cloth
= 240 ÷ 80
= 3
(b)
Number of rolls for green cloth
= 240 ÷ 60
= 4
(c)
Number of rolls for purple cloth
= 240 ÷ 10
= 24
Answer(s): (a) 3; (b) 4; (c) 24