Green, red and gold cloths are sold in 60 cm, 10 cm and 30 cm long respectively. Ethan wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- green cloth
- red cloth
- gold cloth
(a)
LCM of 60, 10 and 30 is 60.
Number of rolls for green cloth
= 60 ÷ 60
= 1
(b)
Number of rolls for red cloth
= 60 ÷ 10
= 6
(c)
Number of rolls for gold cloth
= 60 ÷ 30
= 2
Answer(s): (a) 1; (b) 6; (c) 2