Blue, pink and yellow cloths are sold in 100 cm, 10 cm and 20 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
- pink cloth
- yellow cloth
(a)
LCM of 100, 10 and 20 is 100.
Number of rolls for blue cloth
= 100 ÷ 100
= 1
(b)
Number of rolls for pink cloth
= 100 ÷ 10
= 10
(c)
Number of rolls for yellow cloth
= 100 ÷ 20
= 5
Answer(s): (a) 1; (b) 10; (c) 5