White, red and silver cloths are sold in 60 cm, 90 cm and 10 cm long respectively. Neave wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- white cloth
- red cloth
- silver cloth
(a)
LCM of 60, 90 and 10 is 180.
Number of rolls for white cloth
= 180 ÷ 60
= 3
(b)
Number of rolls for red cloth
= 180 ÷ 90
= 2
(c)
Number of rolls for silver cloth
= 180 ÷ 10
= 18
Answer(s): (a) 3; (b) 2; (c) 18