Green, blue and red cloths are sold in 60 cm, 80 cm and 30 cm long respectively. Albert 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
- red cloth
(a)
LCM of 60, 80 and 30 is 240.
Number of rolls for green cloth
= 240 ÷ 60
= 4
(b)
Number of rolls for blue cloth
= 240 ÷ 80
= 3
(c)
Number of rolls for red cloth
= 240 ÷ 30
= 8
Answer(s): (a) 4; (b) 3; (c) 8