Purple, brown and pink cloths are sold in 20 cm, 10 cm and 60 cm long respectively. Ryan wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- purple cloth
- brown cloth
- pink cloth
(a)
LCM of 20, 10 and 60 is 60.
Number of rolls for purple cloth
= 60 ÷ 20
= 3
(b)
Number of rolls for brown cloth
= 60 ÷ 10
= 6
(c)
Number of rolls for pink cloth
= 60 ÷ 60
= 1
Answer(s): (a) 3; (b) 6; (c) 1