Blue, yellow and gold cloths are sold in 30 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?
- blue cloth
- yellow cloth
- gold cloth
(a)
LCM of 30, 60 and 10 is 60.
Number of rolls for blue cloth
= 60 ÷ 30
= 2
(b)
Number of rolls for yellow cloth
= 60 ÷ 60
= 1
(c)
Number of rolls for gold cloth
= 60 ÷ 10
= 6
Answer(s): (a) 2; (b) 1; (c) 6